PT-2021-22520 · WordPress · Link-List-Manager

P7E4 · Published 2021-12-14 · Updated 2021-12-16 · CVE-2021-39311

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: link-list-manager WordPress plugin versions up to and including 1.0

Description: The issue allows attackers to inject arbitrary web scripts via the category parameter found in the ~/llm.php file, enabling Reflected Cross-Site Scripting attacks.

Recommendations: For versions up to and including 1.0, update to a version that fixes this issue to prevent Reflected Cross-Site Scripting attacks. As a temporary workaround, consider restricting access to the ~/llm.php file or disabling the category parameter until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-39311

Affected Products

Link-List-Manager

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-39311 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39311 · Vendor Advisory
• https://t.me/cibsecurity/33932 · Telegram Post
• https://wordfence.com/vulnerability-advisories/#CVE-2021-39311 · Note
• https://plugins.trac.wordpress.org/browser/link-list-manager/tags/1.0/llm.php#L191 · Note