XSS in Anssilaitila Contact List – Online Staff Directory & Address Book
CVE-2026-3516
The Contact List plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_cl_map_iframe' parameter in all versions up to, and including, 3.0.18. This is due to insufficient input sanitization and output escaping when han…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (7.0th percentile) — read the EPSS interpretation.
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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/a8059995-55cb-49ee-add1-f5364…
- plugins.trac.wordpress.org/browser/contact-list/trunk/public/class-cl-public-ca…
- plugins.trac.wordpress.org/browser/contact-list/tags/3.0.17/public/class-cl-pub…
- plugins.trac.wordpress.org/browser/contact-list/trunk/includes/class-contact-li…
- plugins.trac.wordpress.org/browser/contact-list/tags/3.0.17/includes/class-cont…
- plugins.trac.wordpress.org/browser/contact-list/trunk/includes/class-contact-li…
- plugins.trac.wordpress.org/browser/contact-list/tags/3.0.17/includes/class-cont…
- plugins.trac.wordpress.org/changeset/3486445
Frequently asked questions
- What is CVE-2026-3516?
- CVE-2026-3516 is a medium-severity vulnerability in Anssilaitila Contact List – Online Staff Directory & Address Book, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-20.
- How severe is CVE-2026-3516?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2026-3516 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.