CVE-2025-6538: The Post Rating and Review plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ p
CVE-2025-6538 is a medium-severity flaw (CVSS 6.4) affecting post rating and review. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Post Rating and Review plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.3.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-06-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-6538?
post rating and review: upgrade to newer than 1.3.4. Exact commands for each OS are on this page.
Is CVE-2025-6538 being exploited?
CVE-2025-6538 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-6538 affect?
CVE-2025-6538 affects post rating and review. Severity is medium (CVSS 6.4). The Post Rating and Review plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.3.4 due to insufficient input sanitization and output escaping. This makes it pos
How urgent is CVE-2025-6538?
Priority 25/100. No elevated risk signals yet.