CVE-2026-4791 peprodev CVE debrief

Who should care

Defenders responsible for WordPress installations with the PeproDev Ultimate Profile Solutions plugin should assess exposure and prioritize verification and potential updates. This includes operators, platform administrators, vulnerability management teams, and security teams who need to ensure that their environments are protected against this vulnerability. They should review the supplied official advisory or CVE record to validate affected scope, and

Why it matters

The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to Stored Cross-Site Scripting, allowing authenticated attackers to inject arbitrary web scripts.

• Authenticated attackers with contributor-level access and above can inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page
• Potential for cross-site scripting attacks
• Need for verification and potential updates to prevent exploitation

Technical summary

The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `logout-url` shortcode's 'button' attribute in all versions up to, and including, 8.2.36. This vulnerability is due to insufficient input sanitization and output escaping on user supplied attributes, allowing authenticated attackers with contributor-level access and above to inject arbitrary web scripts. The vulnerability can lead to cross-site scripting attacks when a user accesses an injected page. Defenders should prioritize verifying and updating to a patched version of PeproDev Ultimate Profile Solutions, if available, and monitor for potential exploitation attempts.

Defensive priority

Defenders should prioritize verifying and updating to a patched version of PeproDev Ultimate Profile Solutions, if available, and monitor for potential exploitation attempts.

Recommended defensive actions

• Verify and update to a patched version of PeproDev Ultimate Profile Solutions, if available
• Monitor for potential exploitation attempts
• Implement additional security measures to detect and prevent cross-site scripting attacks
• 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 source item provide details on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability is confirmed to exist in PeproDev Ultimate Profile Solutions plugin versions up to and including 8.2.36. The CVE Program and NVD provide official records and assessments of the vulnerability. Supplemental sources may offer additional context and guidance.

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.