PatchTheCVECVE-2021-36911: Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <=
CVE-2021-36911 is a medium-severity flaw (CVSS 4.8) affecting comment engine pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 53%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-12-10 |
| 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-2021-36911?
comment engine pro: upgrade to newer than 1.0. Exact commands for each OS are on this page.
Is CVE-2021-36911 being exploited?
CVE-2021-36911 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-2021-36911 affect?
CVE-2021-36911 affects comment engine pro. Severity is medium (CVSS 4.8). Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role.
How urgent is CVE-2021-36911?
Priority 29/100. No elevated risk signals yet.