CVE-2026-81201: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal M

Routine

MEDIUM 6.1UPGRADE

CVE-2026-81201 is a medium-severity flaw (CVSS 6.1) affecting monster menus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-09-02
Last modified	2026-09-16

Publisher (CNA): Drupal.org · Vendor: monster menus project

Last updated 2026-09-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-02 13:18 UTCPublished CVE record published
2026-09-16 15:33 UTCUpdated Record last modified

monster menus project monster menus UPGRADE

Affected: >= 6.x-6.19 and <= 6.x-6.64 · >= 7.x-1.0 and <= 7.x-1.34 · >= 9.0.0 and < 9.5.3

Fixed in: 9.5.3

Safe to downgrade to: a release before 6.x-6.19

1. Check installed version

apt-cache policy monster-menus || rpm -q monster-menus || monster-menus --version

2. UPGRADE to 9.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade monster-menus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade monster-menus

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 6.x-6.19 (Debian / Ubuntu)

apt-cache madison monster-menus sudo apt install monster-menus=<VERSION_BEFORE_6.x-6.19> sudo apt-mark hold monster-menus

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list monster-menus sudo dnf downgrade monster-menus-<VERSION_BEFORE_6.x-6.19> sudo dnf versionlock add monster-menus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-81201?

monster menus: upgrade to 9.5.3. Exact commands for each OS are on this page.

Is CVE-2026-81201 being exploited?

CVE-2026-81201 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-81201 affect?

CVE-2026-81201 affects monster menus. Severity is medium (CVSS 6.1). 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.

How urgent is CVE-2026-81201?

Priority 26/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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