XSS in Subscribe2

CVE-2026-14331

The Subscribe2 WordPress plugin before 10.46 does not properly escape a user-supplied value before reflecting it into a public subscription form, leading to Reflected Cross-Site Scripting that executes in the browser of an unauthenticated…

Vulnerability class: XSS (Cross-Site Scripting)

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

  • Unknown Subscribe2 — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14331?
CVE-2026-14331 is a medium-severity vulnerability in Subscribe2, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-07.
How severe is CVE-2026-14331?
Medium severity. CVSS v3 base score is 6.1 out of 10.