CSRF in Pcis Laiser Tag
CVE-2026-9722
The Laiser Tag plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.5. This is due to missing or incorrect nonce validation on the addOptionsPageFields function. This makes it possible for unauthenticated attackers to update the plugin's settings, including the API key, tag blacklist, relevance threshold, batch size, and tagging toggles, via a forged request via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Pcis Laiser Tag — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/ed3aaa2a-8211-409c-8a75-1ac59…
- plugins.trac.wordpress.org/browser/laiser-tag/trunk/include/Tagging.php
- plugins.trac.wordpress.org/browser/laiser-tag/trunk/include/Tagging.php
- plugins.trac.wordpress.org/browser/laiser-tag/trunk/templates/adminOptionPage.p…
Frequently asked questions
- What is CVE-2026-9722?
- CVE-2026-9722 is a medium-severity vulnerability in Pcis Laiser Tag, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-06-02.
- How severe is CVE-2026-9722?
- Medium severity. CVSS v3 base score is 4.3 out of 10.