CVE-2026-81201: Monster Menus - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-116

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-02 · updated 2026-09-16
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Monster Menus allows Stored XSS. This issue affects Monster Menus versions: from 0.0.0 to 9.5.3.

Affected products

Drupal Monster Menus: from 6.x-6.19 through 6.x-6.64; from 7.x-1.0 through 7.x-1.34; from 9.0.0 before 9.5.3 — fixed in 9.5.3

How to fix

Upgrade to a fixed version: Drupal Monster Menus 9.5.3. Check the vendor advisory for mitigations.

References

https://www.drupal.org/sa-contrib-2026-116

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