Advanced Custom Fields (ACF®): known security problems
24 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 24 known security problems on this page. Each one has a fixed version. Updating to version 6.8.2 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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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 6.8.1
- Fixed in
- 6.8.2
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.8.2 or newer.
- Official ID
- CVE-2026-8382
- Report title
- Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' Parameters
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 6.8.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.8.1
- Fixed in
- 6.8.2
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.8.2 or newer.
- Report title
- Advanced Custom Fields (ACF®) <= 6.8.1 - Missing Authorization
- 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 6.7.0
- Fixed in
- 6.7.1
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.7.1 or newer.
- Official ID
- CVE-2026-4812
- Report title
- Advanced Custom Fields (ACF®) <= 6.7.0 - Unauthenticated Missing Authorization to Arbitrary Post/Page Disclosure via AJAX Field Query Parameters
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 6.4.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.4.2
- Fixed in
- 6.4.3
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.4.3 or newer.
- Official ID
- CVE-2025-54940
- Report title
- Advanced Custom Fields <= 6.4.2. - HTML Injection
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 6.3.6.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.6.2
- Fixed in
- 6.3.6.3
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.6.3 or newer.
- Official ID
- CVE-2024-49593
- Report title
- Advanced Custom Fields <= 6.3.8 & Secure Custom Fields <= 6.3.6.2 - 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 6.3.6; from 6.3.7 up to and including 6.3.7; from 6.3.8 up to and including 6.3.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.6
- From 6.3.7 up to and including 6.3.7
- From 6.3.8 up to and including 6.3.8
- Fixed in
- 6.3.9
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.9 or newer.
- Official ID
- CVE-2024-49593
- Report title
- Advanced Custom Fields <= 6.3.8 & Secure Custom Fields <= 6.3.6.2 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 6.3.6.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.6.2
- Fixed in
- 6.3.6.3
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.6.3 or newer.
- Official ID
- CVE-2024-9529
- Report title
- Advanced Custom Fields <= 6.3.8 - Authenticated (Admin+) Limited Arbitrary Function Call
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 6.3.6; from 6.3.7 up to and including 6.3.7; from 6.3.8 up to and including 6.3.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.6
- From 6.3.7 up to and including 6.3.7
- From 6.3.8 up to and including 6.3.8
- Fixed in
- 6.3.9
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.9 or newer.
- Official ID
- CVE-2024-9529
- Report title
- Advanced Custom Fields <= 6.3.8 - Authenticated (Admin+) Limited Arbitrary Function Call
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 6.3.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.5
- Fixed in
- 6.3.6
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.6 or newer.
- Official ID
- CVE-2024-45429
- Report title
- Advanced Custom Fields <= 6.3.5 - Authenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could use it to harm your site (up to and including 6.2.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.2.10
- Fixed in
- 6.3.0
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.3.0 or newer.
- Official ID
- CVE-2024-4565
- Report title
- Advanced Custom Fields <= 6.2.10 - Authenticated (Contributor+) Arbitrary Custom Field Access
- First reported
- Sources
- Wordfence, seen
Someone with a contributor 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 6.2.4
- Fixed in
- 6.2.5
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.2.5 or newer.
- Official ID
- CVE-2023-6701
- Report title
- Advanced Custom Fields <= 6.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account 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
- From 6.1 up to and including 6.1.7
- Fixed in
- 6.1.8
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.1.8 or newer.
- Official ID
- CVE-2023-40068
- Report title
- Advanced Custom Fields 6.1 - 6.1.7 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (from 5.8.10 up to and including 5.12.5; from 6.0.0 up to and including 6.1.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 5.8.10 up to and including 5.12.5
- From 6.0.0 up to and including 6.1.5
- Fixed in
- 5.12.6, 6.1.6
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.1.6 or newer.
- Official ID
- CVE-2023-30777
- Report title
- Advanced Custom Fields (Free and Pro) 5.8.10 to 5.12.5 & 6.0.0 to 6.1.5 - Reflected Cross-Site Scripting via 'post_status'
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could in some setups, take over 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 5.12.4
- From 6.0.0 up to and including 6.0.7
- Fixed in
- 5.12.5, 6.1.0
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.1.0 or newer.
- Official ID
- CVE-2023-1196
- Report title
- Advanced Custom Fields <= 6.0.7 - Authenticated (Contributor+) PHP Object Injection
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could use it to harm your site (up to and including 6.0.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.0.2
- Fixed in
- 6.0.3
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 6.0.3 or newer.
- Official ID
- CVE-2022-40696
- Report title
- Advanced Custom Fields <= 6.0.2 - Authenticated (Contributor+) Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 5.12.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.12.2
- Fixed in
- 5.12.3
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.12.3 or newer.
- Official ID
- CVE-2022-2594
- Report title
- Advanced Custom Fields <= 5.12.2 - File Upload
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 5.12.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.12.1
- Fixed in
- 5.12.1
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.12.1 or newer.
- Official ID
- CVE-2022-23183
- Report title
- Advanced Custom Fields <= 5.12 - Authenticated Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 5.11)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.11
- Fixed in
- 5.11
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.11 or newer.
- Official ID
- CVE-2021-20867
- Report title
- Advanced Custom Fields <= 5.10 - Missing Authorization on Option Changes
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 5.11) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.11
- Fixed in
- 5.11
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.11 or newer.
- Official ID
- CVE-2021-20865
- Report title
- Advanced Custom Fields <= 5.10 - Missing Authorization to Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 5.11) (3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.11
- Fixed in
- 5.11
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.11 or newer.
- Official ID
- CVE-2021-20866
- Report title
- Advanced Custom Fields <= 5.10 - Missing Authorization to Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 5.8.12)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.8.12
- Fixed in
- 5.8.12
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.8.12 or newer.
- Official ID
- CVE-2020-36172
- Report title
- Advanced Custom Fields <= 5.8.11 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could in some setups, take over 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 5.7.11
- Fixed in
- 5.7.12
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.7.12 or newer.
- Report title
- Advanced Custom Fields <= 5.7.11 - PHP Object Injection
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 5.7.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.7.8
- Fixed in
- 5.7.8
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 5.7.8 or newer.
- Official ID
- CVE-2018-20986
- Report title
- Advanced Custom Fields <= 5.7.7 - Author+ Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone 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 3.5.1
- Fixed in
- 3.5.2
- What to do
- If your site has an affected version, update Advanced Custom Fields (ACF®) to version 3.5.2 or newer.
- Official ID
- CVE-2012-10025
- Report title
- Advanced Custom Fields <= 3.5.1 - Remote Code Execution via Remote File Inclusion
- 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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