PatchTheCVECVE-2021-24600: The WP Dialog WordPress plugin through 1.2.5.5 does not sanitise and escape some of its settings before output
CVE-2021-24600 is a medium-severity flaw (CVSS 4.8) affecting wp dialog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The WP Dialog WordPress plugin through 1.2.5.5 does not sanitise and escape some of its settings before outputting them in pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Why this priority
- Public exploit reference
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 50%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-09-20 |
| 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-2021-24600?
wp dialog: upgrade to newer than 1.2.5.5. Exact commands for each OS are on this page.
Is CVE-2021-24600 being exploited?
CVE-2021-24600 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-2021-24600 affect?
CVE-2021-24600 affects wp dialog. Severity is medium (CVSS 4.8). The WP Dialog WordPress plugin through 1.2.5.5 does not sanitise and escape some of its settings before outputting them in pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability
How urgent is CVE-2021-24600?
Priority 34/100. Public exploit reference