What’s Vulnerable › Vulnerabilities

CVE-2021-42365: Asgaros Forums <= 1.15.13 Authenticated Stored XSS

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-29 · updated 2026-06-17
• Weakness: CWE-79

Description

The Asgaros Forums WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient escaping via the name parameter found in the ~/admin/tables/admin-structure-table.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.15.13. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Affected products

• Asgaros Forum: before 1.15.14 — fixed in 1.15.14

How to fix

Upgrade to a fixed version: Asgaros Forum 1.15.14. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/2635143/asgaros-forum/trunk/admin/tables/admin-structure-table.php
• https://wordfence.com/vulnerability-advisories/#CVE-2021-42365
• https://plugins.trac.wordpress.org/changeset/2635143/asgaros-forum/trunk/admin/tables/admin-structure-table.php
• https://wordfence.com/vulnerability-advisories/#CVE-2021-42365

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