CVE-2021-39311: link-list-manager <= 1.0 Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-14 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

link-list-manager: through 1.0

References

https://plugins.trac.wordpress.org/browser/link-list-manager/tags/1.0/llm.php#L191
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39311
https://plugins.trac.wordpress.org/browser/link-list-manager/tags/1.0/llm.php#L191
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39311

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