XSS in Mdempfle Advanced Iframe
CVE-2026-6742
The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'additional' parameter in all versions up to, and including, 2026.1 due to insufficient input sanitization and output escaping. This makes it pos…
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
- Mdempfle Advanced Iframe — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-6742?
- CVE-2026-6742 is a medium-severity vulnerability in Mdempfle Advanced Iframe, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-08.
- How severe is CVE-2026-6742?
- Medium severity. CVSS v3 base score is 6.4 out of 10.