XSS in Usystemsgmbh Webling
CVE-2026-1263
The Webling plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 3.9.0 due to insufficient input sanitization, insufficient output escaping, and missing capabilities checks in the 'webling…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (3.3th 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
- Usystemsgmbh Webling — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/bd8fbe0d-0709-4fa2-9294-393dd…
- plugins.trac.wordpress.org/browser/webling/tags/3.9.0/src/admin/lists/Form_List…
- plugins.trac.wordpress.org/browser/webling/tags/3.9.0/src/admin/lists/Memberlis…
- plugins.trac.wordpress.org/browser/webling/tags/3.9.0/src/admin/actions/save_fo…
- plugins.trac.wordpress.org/browser/webling/tags/3.9.0/src/admin/actions/save_me…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-1263?
- CVE-2026-1263 is a medium-severity vulnerability in Usystemsgmbh Webling, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-10.
- How severe is CVE-2026-1263?
- Medium severity. CVSS v3 base score is 6.4 out of 10.