Event Tickets and Registration: known security problems
28 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 28 known security problems on this page. Each one has a fixed version. Updating to version 5.30.2 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 with a contributor account on your site could use it to harm your site (up to and including 5.30.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.30.1
- Fixed in
- 5.30.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.30.2 or newer.
- Official ID
- CVE-2026-110902
- Report title
- Event Tickets and Registration <= 5.30.1 - Authenticated (Contributor+) Insecure Direct Object Reference
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.30.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.30.0.1
- Fixed in
- 5.30.0.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.30.0.2 or newer.
- Official ID
- CVE-2026-105891
- Report title
- Event Tickets and Registration <= 5.30.0.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.30.0.1) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.30.0.1
- Fixed in
- 5.30.0.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.30.0.2 or newer.
- Official ID
- CVE-2026-105888
- Report title
- Event Tickets and Registration <= 5.30.0.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.30.0.1) (3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.30.0.1
- Fixed in
- 5.30.0.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.30.0.2 or newer.
- Official ID
- CVE-2026-105893
- Report title
- Event Tickets and Registration <= 5.30.0.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.30.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.30.0
- Fixed in
- 5.30.0.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.30.0.1 or newer.
- Official ID
- CVE-2026-104675
- Report title
- Event Tickets and Registration <= 5.30.0 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could read or change the data in your site’s database (up to and including 5.29.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.29.5
- Fixed in
- 5.29.5.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.5.1 or newer.
- Official ID
- CVE-2026-97634
- Report title
- Event Tickets and Registration <= 5.29.5 - Authenticated (Contributor+) SQL Injection via 'orderby' Parameter
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could read or change the data in your site’s database (up to and including 5.29.5) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.29.5
- Fixed in
- 5.29.5.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.5.1 or newer.
- Official ID
- CVE-2026-97287
- Report title
- Event Tickets and Registration <= 5.29.5 - Authenticated (Contributor+) SQL Injection
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 5.29.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.29.4
- Fixed in
- 5.29.5
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.5 or newer.
- Official ID
- CVE-2026-93526
- Report title
- Event Tickets and Registration <= 5.29.4 - Unauthenticated Stored Cross-Site Scripting
- 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 5.27.4
- Fixed in
- 5.27.4.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.27.4.1 or newer.
- Official ID
- CVE-2026-3174
- Report title
- Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 5.29.2.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.29.2.1
- Fixed in
- 5.29.3
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.3 or newer.
- Official ID
- CVE-2026-78263
- Report title
- Event Tickets and Registration <= 5.29.2.1 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 5.29.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.29.0.1
- Fixed in
- 5.29.0.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.0.1 or newer.
- Official ID
- CVE-2026-14822
- Report title
- Event Tickets and Registration < 5.29.0.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could use it to harm your site (before 5.29.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.29.0.1
- Fixed in
- 5.29.0.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.0.1 or newer.
- Official ID
- CVE-2026-14823
- Report title
- Event Tickets and Registration < 5.29.0.1 - Authenticated (Contributor+) Insecure Direct Object Reference
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.29.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.29.0.1
- Fixed in
- 5.29.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.29.1 or newer.
- Official ID
- CVE-2026-65567
- Report title
- Event Tickets and Registration <= 5.29.0.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.28.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.28.5
- Fixed in
- 5.28.5.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.28.5.1 or newer.
- Official ID
- CVE-2026-57705
- Report title
- Event Tickets and Registration <= 5.28.5 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with an editor account on your site 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 5.28.3
- Fixed in
- 5.28.4
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.28.4 or newer.
- Official ID
- CVE-2026-14819
- Report title
- Event Tickets <= 5.28.3 - Authenticated (Editor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.27.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.27.5
- Fixed in
- 5.27.6.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.27.6.1 or newer.
- Official ID
- CVE-2026-42662
- Report title
- Event Tickets and Registration <= 5.27.5 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
A stranger 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 5.26.5
- Fixed in
- 5.26.6
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.26.6 or newer.
- Official ID
- CVE-2025-11517
- Report title
- Event Tickets and Registration <= 5.26.5 - Unauthenticated Ticket Payment Bypass
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.26.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.26.3
- Fixed in
- 5.26.4
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.26.4 or newer.
- Official ID
- CVE-2025-62027
- Report title
- Event Tickets <= 5.26.3 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone 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 5.20.0
- Fixed in
- 5.20.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.20.1 or newer.
- Official ID
- CVE-2025-30794
- Report title
- Event Tickets <= 5.20.0 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.19.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.19.1.1
- Fixed in
- 5.19.1.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.19.1.2 or newer.
- Official ID
- CVE-2025-1402
- Report title
- Event Tickets and Registration <= 5.19.1.1 - Missing Authorization to Ticket Deletion
- First reported
- Sources
- Wordfence, seen
Someone 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 5.18.1
- Fixed in
- 5.18.1.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.18.1.1 or newer.
- Official ID
- CVE-2024-13457
- Report title
- Event Tickets <= 5.18.1 - Insecure Direct Object Reference to Sensitive Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.11.0.4
- Fixed in
- 5.11.0.5
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.11.0.5 or newer.
- Official ID
- CVE-2024-38762
- Report title
- Event Tickets <= 5.11.0.4 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 5.8.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.8.2
- Fixed in
- 5.8.3
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.8.3 or newer.
- Official ID
- CVE-2024-2261
- Report title
- Event Tickets and Registration <= 5.8.2 - Improper Authorization to Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 5.8.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.8.1
- Fixed in
- 5.8.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.8.2 or newer.
- Official ID
- CVE-2024-1053
- Report title
- Event Tickets and Registration <= 5.8.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could use it to harm your site (up to and including 5.8.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.8.0
- Fixed in
- 5.8.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.8.1 or newer.
- Official ID
- CVE-2024-1316
- Report title
- Event Tickets and Registration <= 5.8.0 Events Tickets Plus <= 5.9.0 - Authenticated (Contributor+) Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 5.3.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.3.0.1
- Fixed in
- 5.3.0.1
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.3.0.1 or newer.
- Official ID
- CVE-2022-4974
- Report title
- Freemius SDK <= 2.4.2 - Missing Authorization Checks
- First reported
- Sources
- Wordfence, seen
Someone could send your visitors from your site to a harmful site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.2.1
- Fixed in
- 5.2.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 5.2.2 or newer.
- Official ID
- CVE-2021-25028
- Report title
- Event Tickets <= 5.2.1 - Open Redirect
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 4.10.7.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.10.7.1
- Fixed in
- 4.10.7.2
- What to do
- If your site has an affected version, update Event Tickets and Registration to version 4.10.7.2 or newer.
- Official ID
- CVE-2019-16120
- Report title
- Event Tickets <= 4.10.7.1 - CSV 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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