PatchSiren cyber security CVE debrief
CVE-2026-81344 DynamiApps CVE debrief
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.
- Vendor
- DynamiApps
- Product
- ACF Frontend Admin
- CVSS
- Unknown
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-17
- Original CVE updated
- 2026-10-17
- Advisory published
- 2026-10-17
- Advisory updated
- 2026-10-17
Who should care
Defenders responsible for WordPress installations, especially those with high-privilege users, should assess exposure and prioritize verification and remediation. This includes administrators, security teams, and vulnerability management teams who need to verify plugin presence, review user access, and plan for potential remediation.
Why it matters
Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations, especially if high-privilege users have access to the plugin, as it may allow remote code execution.
- Remote code execution may occur if high-privilege users inject a PHP object
- Verification of plugin presence and user access is necessary
- Remediation may require updating the plugin to a version that addresses this vulnerability
Technical summary
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.
Defensive priority
Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations, especially if high-privilege users have access to the plugin.
Recommended defensive actions
- Verify the presence of this vulnerability in your WordPress installations
- Check if high-privilege users have access to the plugin
- Consider updating the plugin to a version that addresses this vulnerability
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and NVD entry provide limited information about the vulnerability, but indicate that it exists in the ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13. Defenders should verify plugin presence, review user access, and check for suitable POP chains in other installed plugins or WordPress core. Evidence is limited, so explicit verification tasks are necessary.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-81344 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-81344
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-81344 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81344
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://wpscan.com/vulnerability/4e6d6ade-d58c-40c1-9235-678dac0c0fa9/
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.