What is CVE-2026-11996?

CVE-2026-11996 is a medium-severity vulnerability in Codesupplyco Advanced Popups, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-09-16.

How severe is CVE-2026-11996?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Codesupplyco Advanced Popups

CVE-2026-11996

The Advanced Popups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'Notification Button Link' Field in all versions up to, and including, 1.2.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Codesupplyco Advanced Popups

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-11996?: CVE-2026-11996 is a medium-severity vulnerability in Codesupplyco Advanced Popups, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-09-16.
How severe is CVE-2026-11996?: Medium severity. CVSS v3 base score is 6.4 out of 10.