What is CVE-2026-10770?

CVE-2026-10770 is a medium-severity vulnerability in Cleantalk Anti-Spam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-10.

How severe is CVE-2026-10770?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cleantalk Anti-Spam

CVE-2026-10770

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cleantalk Anti-spam
Drupal Anti-spam By Cleantalk — versions 0.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

mlhess@drupal.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2026-10770?: CVE-2026-10770 is a medium-severity vulnerability in Cleantalk Anti-Spam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-10.
How severe is CVE-2026-10770?: Medium severity. CVSS v3 base score is 6.1 out of 10.