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

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-01-16 · updated 2026-06-17

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).

Affected products

Link Library: before 7.4.1 — fixed in 7.4.1

How to fix

Upgrade to a fixed version: Link Library 7.4.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/c4688c0b-0538-4151-995c-d437d7e4829d
https://wpscan.com/vulnerability/c4688c0b-0538-4151-995c-d437d7e4829d

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