What is CVE-2026-3213?

CVE-2026-3213 is a medium-severity vulnerability in Cleantalk Anti-spam, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-03-25.

How severe is CVE-2026-3213?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Cleantalk Anti-spam

CVE-2026-3213

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Anti-Spam by CleanTalk allows Cross-Site Scripting (XSS).This issue affects Anti-Spam by CleanTalk: from 0.0.0 before 9.7.0.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/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 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-3213?: CVE-2026-3213 is a medium-severity vulnerability in Cleantalk Anti-spam, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-03-25.
How severe is CVE-2026-3213?: Medium severity. CVSS v3 base score is 4.7 out of 10.