CVE-2022-4199 Link Library < 7.4.1 - Admin+ Stored XSS

What is CVE-2022-4199?

CVE-2022-4199 is a medium-severity cross-site scripting vulnerability in Unknown Link Library, published on 16 Jan 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Link Library WordPress plugin before 7.4.1 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).

Which versions are affected by CVE-2022-4199?

It affects 1 product.

Products include Ylefebvre Link Library.

How do I fix CVE-2022-4199?

No fix has been published for CVE-2022-4199 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-2022-4199 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4199 exists.

Other vulnerabilities in Unknown Link Library

• CVE-2021-25093 Link Library < 7.2.8 - Unauthenticated Arbitrary Links Deletion High 7.5
• CVE-2024-38711 WordPress Link Library plugin <= 7.7.1 - Reflected Cross Site Scripting (XSS) vulnerability High 7.1
• CVE-2024-35687 WordPress Link Library plugin <= 7.6.3 - Reflected Cross-Site Scripting (XSS) vulnerability High 7.1
• CVE-2024-29123 WordPress Link Library plugin <= 7.6 - Reflected Cross Site Scripting (XSS) vulnerability High 7.1
• CVE-2024-24879 WordPress Link Library Plugin <= 7.5.13 is vulnerable to Cross Site Scripting (XSS) High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v84j-mc7q-38q3.