What is CVE-2026-115673?

CVE-2026-115673 is a high-severity vulnerability in Anti-Spam, Spam Firewall By Cleantalk, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-11-06.

How severe is CVE-2026-115673?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Anti-Spam, Spam Firewall By Cleantalk

CVE-2026-115673

The Anti-Spam, Spam FireWall by CleanTalk WordPress plugin before 6.91 does not escape a commenter-supplied value before outputting it on an administrative spam-review screen, allowing unauthenticated users to inject arbitrary web scripts that execute in the browser of an administrator who reviews flagged comments.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Anti-Spam, Spam Firewall By Cleantalk

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/087d91ac-2158-4f9b-8fab-4d17b14a7053/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-115673?: CVE-2026-115673 is a high-severity vulnerability in Anti-Spam, Spam Firewall By Cleantalk, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-11-06.
How severe is CVE-2026-115673?: High severity. CVSS v3 base score is 7.5 out of 10.