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CVE-2026-10770: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal A

26
Routine
MEDIUM 6.1UPGRADE

CVE-2026-10770 is a medium-severity flaw (CVSS 6.1) affecting anti-spam. 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 Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.3% (top 83%)
CISA exploited listNo
WeaknessCWE-79
Published2026-07-10
Last modified2026-10-25
Publisher (CNA): Drupal.org · Vendor: cleantalk

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

Am I affected?

Timeline

cleantalk anti-spam UPGRADE
Affected: < 9.7.1
Fixed in: 9.7.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy anti-spam || rpm -q anti-spam || anti-spam --version
2. UPGRADE to 9.7.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade anti-spam
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade anti-spam
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-2026-10770?

anti-spam: upgrade to 9.7.1. Exact commands for each OS are on this page.

Is CVE-2026-10770 being exploited?

CVE-2026-10770 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-2026-10770 affect?

CVE-2026-10770 affects anti-spam. Severity is medium (CVSS 6.1). Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.

How urgent is CVE-2026-10770?

Priority 26/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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