CVE-2021-24550

Name: CVE-2021-24550
Creator: NVD / NIST
Published: 2021-08-23T12:15:09.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2021-24550 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.58%

72.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Broken Link Manager Project	Broken Link Manager	<= 0.6.5

References

https://codevigilant.com/disclosure/2021/wp-plugin-broken-link-manager/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/1bf65448-689c-474d-a566-c9b6797d3e4aExploit, Third Party Advisory
https://codevigilant.com/disclosure/2021/wp-plugin-broken-link-manager/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/1bf65448-689c-474d-a566-c9b6797d3e4aExploit, Third Party Advisory

Timeline

Published: Aug 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24550?

How severe is CVE-2021-24550?

CVE-2021-24550 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24550?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24550?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST