PatchTheCVECVE-2021-24550: The Broken Link Manager WordPress plugin through 0.6.5 does not sanitise, validate or escape the url GET param
CVE-2021-24550 is a high-severity flaw (CVSS 7.2) affecting broken link manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Broken Link Manager WordPress plugin through 0.6.5 does not sanitise, validate or escape the url GET parameter before using it in a SQL statement when retrieving an URL to edit, leading to an authenticated SQL injection issue
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 25%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2021-08-23 |
| 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-2021-24550?
broken link manager: upgrade to newer than 0.6.5. Exact commands for each OS are on this page.
Is CVE-2021-24550 being exploited?
CVE-2021-24550 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-2021-24550 affect?
CVE-2021-24550 affects broken link manager. Severity is high (CVSS 7.2). The Broken Link Manager WordPress plugin through 0.6.5 does not sanitise, validate or escape the url GET parameter before using it in a SQL statement when retrieving an URL to edit, leading to an authenticated SQL injection issue
How urgent is CVE-2021-24550?
Priority 49/100. High severity; Public exploit reference