Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI: known security problems
26 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 26 known security problems on this page. Each one has a fixed version. Updating to version 3.6.3 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
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Someone could plant harmful code that runs for your visitors or admins (up to and including 3.6.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.6.2
- Fixed in
- 3.6.3
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.6.3 or newer.
- Official ID
- CVE-2026-91152
- Report title
- Everest Forms <= 3.6.2 - Reflected Cross-Site Scripting via 'evf_toast_type' Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could see private information they should not see
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.6.2
- Fixed in
- 3.6.3
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.6.3 or newer.
- Official ID
- CVE-2026-91153
- Report title
- Everest Forms <= 3.6.2 - Unauthenticated Sensitive Information Exposure via Smart-Tag Injection in Smart-Tag Injection in Form Field Values ({post_meta key=...})
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.6.1
- Fixed in
- 3.6.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.6.2 or newer.
- Official ID
- CVE-2026-108491
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.6.1 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.6.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.6.1
- Fixed in
- 3.6.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.6.2 or newer.
- Official ID
- CVE-2026-94670
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.6.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could in some setups, take over your site (up to and including 3.6.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.6.0
- Fixed in
- 3.6.1
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.6.1 or newer.
- Official ID
- CVE-2026-62103
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.6.0 - Unauthenticated PHP Object Injection
- First reported
- Sources
- Wordfence, seen
A stranger could make your server visit other addresses on their behalf (up to and including 3.4.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.4
- Fixed in
- 3.4.5
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.4.5 or newer.
- Official ID
- CVE-2026-5096
- Report title
- Everest Forms <= 3.4.4 - Unauthenticated Server-Side Request Forgery via Upload Field 'Previous Value'
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.2
- Fixed in
- 3.5.3
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.5.3 or newer.
- Official ID
- CVE-2026-13167
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.5.2 - Missing Authorization to Authenticated (Delegated+) Arbitrary Plugin Activation via REST API and AJAX Endpoints
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.4.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.8
- Fixed in
- 3.5.0
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.5.0 or newer.
- Official ID
- CVE-2026-57312
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.4.8 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 3.4.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.0
- Fixed in
- 3.5.0
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.5.0 or newer.
- Official ID
- CVE-2026-11571
- Report title
- Everest Forms <= 3.4.0 - Unauthenticated Information Exposure
- First reported
- Sources
- Wordfence, seen
A stranger could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.0
- Fixed in
- 3.5.0
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.5.0 or newer.
- Official ID
- CVE-2026-12270
- Report title
- Everest Forms <= 3.4.0 - Unauthenticated Missing Authorization
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.7
- Fixed in
- 3.4.8
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.4.8 or newer.
- Official ID
- CVE-2026-4888
- Report title
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder <= 3.4.7 - Missing Authorization to Authenticated (Subscriber+) Email Sending
- First reported
- Sources
- Wordfence, seen
A stranger could read or delete private files on your server
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.4
- Fixed in
- 3.4.5
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.4.5 or newer.
- Official ID
- CVE-2026-5478
- Report title
- Everest Forms <= 3.4.4 - Unauthenticated Arbitrary File Read and Deletion via Upload Field 'old_files' Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could in some setups, take over your site (up to and including 3.4.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.3
- Fixed in
- 3.4.4
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.4.4 or newer.
- Official ID
- CVE-2026-3296
- Report title
- Everest Forms <= 3.4.3 - Unauthenticated PHP Object Injection via Form Entry Metadata
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 3.4.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.1
- Fixed in
- 3.4.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.4.2 or newer.
- Official ID
- CVE-2026-22422
- Report title
- Everest Forms <= 3.4.1 - Unauthenticated Arbitrary Shortcode Execution
- First reported
- Sources
- Wordfence, seen
A stranger could in some setups, take over your site (up to and including 3.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.1.1
- Fixed in
- 3.1.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.1.2 or newer.
- Official ID
- CVE-2025-3439
- Report title
- Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress <= 3.1.1 - Unauthenticated PHP Object Injection
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could use it to harm your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.1.1
- Fixed in
- 3.1.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.1.2 or newer.
- Official ID
- CVE-2025-3422
- Report title
- Everest Forms <= 3.1.1 - Authenticated (Subscriber+) Arbitrary Shortcode Execution
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.1.1
- Fixed in
- 3.1.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.1.2 or newer.
- Official ID
- CVE-2025-3421
- Report title
- Everest Forms <= 3.1.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could run their own code on your site and take it over
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.0.9.4
- Fixed in
- 3.0.9.5
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.0.9.5 or newer.
- Official ID
- CVE-2025-1128
- Report title
- Everest Forms <= 3.0.9.4 - Unauthenticated Arbitrary File Upload, Read, and Deletion
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.0.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.0.8
- Fixed in
- 3.0.8.1
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.0.8.1 or newer.
- Official ID
- CVE-2024-13125
- Report title
- Everest Forms – Contact Forms, Quiz, Survey, Newsletter & Payment Form Builder for WordPress <= 3.0.8 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.0.4.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.0.4.1
- Fixed in
- 3.0.4.2
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.0.4.2 or newer.
- Official ID
- CVE-2024-10471
- Report title
- Everest Forms <= 3.0.4.1 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could plant harmful code that runs for your visitors or admins (up to and including 3.0.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.0.3
- Fixed in
- 3.0.3.1
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 3.0.3.1 or newer.
- Official ID
- CVE-2024-8542
- Report title
- Everest Forms <= 3.0.3 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could make your server visit other addresses on their behalf (up to and including 2.0.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.0.7
- Fixed in
- 2.0.8
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 2.0.8 or newer.
- Official ID
- CVE-2024-1812
- Report title
- Everest Forms <= 2.0.7 - Unauthenticated Server-Side Request Forgery via font_url
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could plant harmful code that runs for your visitors or admins (up to and including 2.0.4.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.0.4.1
- Fixed in
- 2.0.5
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 2.0.5 or newer.
- Official ID
- CVE-2023-51695
- Report title
- Everest Forms <= 2.0.4.1 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.0.3
- Fixed in
- 2.0.3.1
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 2.0.3.1 or newer.
- Official ID
- CVE-2023-51377
- Report title
- Everest Forms <= 2.0.3 - Unauthorized Form Submission via Disabled Forms
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 1.8.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 1.8.0
- Fixed in
- 1.8.0
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 1.8.0 or newer.
- Official ID
- CVE-2021-24907
- Report title
- Everest Forms <= 1.7.9 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could read or change the data in your site’s database
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 1.5.0
- Fixed in
- 1.5.0
- What to do
- If your site has an affected version, update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to version 1.5.0 or newer.
- Official ID
- CVE-2019-13575
- Report title
- Contact Form, Drag and Drop Form Builder for WordPress – Everest Forms <= 1.4.9 - SQL Injection
- First reported
- Sources
- Wordfence, seen
Where this comes from
We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.
Get an email when your site is affected.
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