CVE-2026-13231: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal A

Q: How do I fix CVE-2026-13231?

advanced content feedback: upgrade to 2.8. Exact commands for each OS are on this page.

Q: Is CVE-2026-13231 being exploited?

CVE-2026-13231 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-13231 affect?

CVE-2026-13231 affects advanced content feedback. Severity is medium (CVSS 6.1). Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Advanced Content Feedback (aka admin_feedback) allows Stored XSS. This issue affects Advanced Content Feedback (aka admin_feedback)

Q: How urgent is CVE-2026-13231?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-13231 is a medium-severity flaw (CVSS 6.1) affecting advanced content feedback. 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 Advanced Content Feedback (aka admin_feedback) allows Stored XSS. This issue affects Advanced Content Feedback (aka admin_feedback) versions: from 0.0.0 to 2.8.0.

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	2026-07-10
Last modified	2026-10-25

Publisher (CNA): Drupal.org · Vendor: anuaralfetahe

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 22:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

anuaralfetahe advanced content feedback UPGRADE

Affected: < 2.8

Fixed in: 2.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy advanced-content-feedback || rpm -q advanced-content-feedback || advanced-content-feedback --version

2. UPGRADE to 2.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade advanced-content-feedback

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade advanced-content-feedback

Note

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

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-2026-13231?

advanced content feedback: upgrade to 2.8. Exact commands for each OS are on this page.

Is CVE-2026-13231 being exploited?

CVE-2026-13231 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-2026-13231 affect?

CVE-2026-13231 affects advanced content feedback. Severity is medium (CVSS 6.1). Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Advanced Content Feedback (aka admin_feedback) allows Stored XSS. This issue affects Advanced Content Feedback (aka admin_feedback)

How urgent is CVE-2026-13231?

Priority 26/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2026-13232 LOW 3.1 UPGRADE Incorrect Authorization vulnerability in Drupal Advanced Content Feedback (aka admin_feedback) allows Forceful

References

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