CVE-2022-3922 Broken Link Checker < 1.11.20 - Admin+ Cross-Site Scripting
Admin users can perform Stored Cross-Site Scripting attacks in Broken Link Checker plugin when unfiltered_html is disabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-3922?
CVE-2022-3922 is a medium-severity cross-site scripting vulnerability in Unknown Broken Link Checker, published on 28 Dec 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
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)
Weakness: CWE-79
Which versions are affected by CVE-2022-3922?
It affects 1 product.
Products include Managewp Broken Link Checker.
How do I fix CVE-2022-3922?
No fix has been published for CVE-2022-3922 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-3922 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3922 exists.
Other vulnerabilities in Unknown Broken Link Checker
- CVE-2023-23737 WordPress MainWP Broken Links Checker Extension Plugin <= 4.0 is vulnerable to SQL Injection
- CVE-2022-2438 Broken Link Checker <= 1.11.16 - Authenticated (Admin+) PHAR Deserialization
- CVE-2019-16521 Cross-site scripting in n/a
- CVE-2019-17207 Cross-site scripting in n/a
- CVE-2024-10903 Broken Link Checker < 2.4.2 - Admin+ SSRF
Sources
Also known as GHSA-r8w3-884p-p4g2.