CVE-2026-92806: CSRF (CVSS 8.1)

Description

phpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler. Attackers can induce logged-in administrators to visit crafted pages that silently delete and blacklist arbitrary subscriber addresses without authentication verification.

Is your site exposed to CVE-2026-92806?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

References

Other References

https://github.com/geo-chen/oss/blob/main/phplist3.md https://github.com/phpList/phplist3 https://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L13-L24 https://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10 https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-php

Frequently Asked Questions

What is CVE-2026-92806? +

phpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler. Attackers can induce logged-in administrators to visit crafted pages that silently delete and blacklist arbitrary subscriber addresses without authentication verification. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-92806? +

CVE-2026-92806 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-92806? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-40325

Masa CMS is a content management system forked from Mura CMS. In versions 7.5.2 and earlier, the `cTrash.restore` function does …

CVE-2026-40174

Masa CMS is a content management system forked from Mura CMS. In versions 7.5.2 and earlier, the cUsers.updateAddress function does …

CVE-2024-6662

Websites managed by MegaBIP in versions below 5.15 are vulnerable to Cross-Site Request Forgery (CSRF) as the form available under …

CVE-2026-18425

Concrete CMS 9 before 9.5.3 authorized the dashboard sitemap reorder action (Concrete\Controller\Backend\Dashboard\SitemapUpdate) using only the global access_sitemap task permission and …

CVE-2026-42286

Emlog is an open source website building system. Prior to version 2.6.11, missing CSRF protection in critical admin functions allows …

CVE-2026-91819

Affected versions of MISP rely on CakePHP request-method override processing in a way that can disable CSRF and form-security validation. …

CVE-2026-92806