The link-list-manager WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the category parameter found in the ~/llm.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39311
https://plugins.trac.wordpress.org/browser/link-list-manager/tags/1.0/llm.php#L191
Source: Mitre, NVD
Published: 2021-12-14
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00199