CVE-2026-111592 publishpress CVE debrief

Who should care

Defenders responsible for WordPress installations with the PublishPress Authors plugin should assess exposure and prioritize verification and remediation efforts. This includes administrators, security teams, and IT personnel managing WordPress sites with subscriber-level access or above.

Why it matters

CVE-2026-111592 is a Stored Cross-Site Scripting vulnerability in the PublishPress Authors plugin for WordPress, allowing authenticated attackers to inject arbitrary web scripts. Defenders should prioritize verification, assess exposure, and implement security measures to prevent exploitation.

• Defenders need to verify the presence of this vulnerability in their WordPress installations.
• Assess exposure based on user roles and access levels to prevent potential exploitation.
• Implement additional security measures to monitor for suspicious activity and prevent exploitation.
• Prioritize updating to a patched version of the PublishPress Authors plugin.

Technical summary

The PublishPress Authors plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'name (maps to display_name)' parameter in all versions up to, and including, 4.17.0. This is due to insufficient input sanitization and output escaping. Authenticated attackers with subscriber-level access and above can inject arbitrary web scripts, which execute when a user accesses an injected page. Exploitation requires the attacker's user account to have a mapped author term.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and assess exposure based on user roles and access levels.

Recommended defensive actions

• Verify the version of the PublishPress Authors plugin and update to a patched version if necessary.
• Assess user roles and access levels to determine potential exposure.
• Monitor for suspicious activity and implement additional security measures to prevent exploitation.
• 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.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.4 and MEDIUM severity. Source references include links to the PublishPress Authors plugin code. Defenders should verify the presence of this vulnerability in their WordPress installations and assess exposure based on user roles and access levels. The vulnerability exists in all versions up to and including 4.17.0 due to insufficient input sanitization and output escaping. Authenticated attackers with subscriber-level access and above can

Sources and references

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.