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CVE-2026-81344

MEDIUMCVSS 6.6/10EPSS 0.35%

Last modified

CVE-2026-81344 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. The ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 does not restrict which PHP classes may be instantiated when it deserialises stored post content that is rendered on public-facing pages, allowing high-privilege users such as administrators to inject a PHP object which, given a suitable POP chain in another installed ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 or in WordPress core, can be leveraged to achieve remote code execution.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

The ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 does not restrict which PHP classes may be instantiated when it deserialises stored post content that is rendered on public-facing pages, allowing high-privilege users such as administrators to inject a PHP object which, given a suitable POP chain in another installed ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 or in WordPress core, can be leveraged to achieve remote code execution.

Metrics

CVSS 3.1
6.6/10

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.35%

27.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownACF Frontend Admin by DynamiApps<= 3.29.13

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-81344?
The ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 does not restrict which PHP classes may be instantiated when it deserialises stored post content that is rendered on public-facing pages, allowing high-privilege users such as administrators to inject a PHP object which, given a suitable POP chain in another installed ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 or in WordPress core, can be leveraged to achieve remote code execution.
How severe is CVE-2026-81344?
CVE-2026-81344 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-81344?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST