PatchTheCVECVE-2022-3922: The Broken Link Checker WordPress plugin before 1.11.20 does not sanitise and escape some of its settings, whi
CVE-2022-3922 is a medium-severity flaw (CVSS 4.8) affecting broken link checker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Broken Link Checker WordPress plugin before 1.11.20 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
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 | 0.5% (top 55%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-12-28 |
| 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-2022-3922?
broken link checker: upgrade to 1.11.20. Exact commands for each OS are on this page.
Is CVE-2022-3922 being exploited?
CVE-2022-3922 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-2022-3922 affect?
CVE-2022-3922 affects broken link checker. Severity is medium (CVSS 4.8). The Broken Link Checker WordPress plugin before 1.11.20 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html cap
How urgent is CVE-2022-3922?
Priority 33/100. Public exploit reference
Software pages
Related CVEs
- CVE-2024-25592 MEDIUM 5.9 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV
- CVE-2024-10903 MEDIUM 4.7 UPGRADE The Broken Link Checker WordPress plugin before 2.4.2 does not validate a the link URLs before making a reques
- CVE-2023-23737 CRITICAL 9.3 UPGRADE Unauth
- CVE-2022-2438 HIGH 7.2 UPGRADE The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log
- CVE-2019-17207 MEDIUM 5.4 UPGRADE A reflected XSS vulnerability was found in includes/admin/table-printer.php in the broken-link-checker (aka Br