What is CVE-2026-8071?

CVE-2026-8071 is a high-severity vulnerability in Anti-spam By Cleantalk. Spam Protection, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-06-10.

How severe is CVE-2026-8071?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Anti-spam By Cleantalk. Spam Protection

CVE-2026-8071

The Anti-Spam by CleanTalk. Spam protection WordPress plugin before 6.79 does not properly sanitize content within a custom shortcode used in its email-encoding feature, allowing unauthenticated attackers to inject arbitrary web scripts in…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Unknown Anti-spam By Cleantalk. Spam Protection — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-8071?: CVE-2026-8071 is a high-severity vulnerability in Anti-spam By Cleantalk. Spam Protection, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-06-10.
How severe is CVE-2026-8071?: High severity. CVSS v3 base score is 8.8 out of 10.