CVE-2026-92806
highphpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler.
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.
CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-16 21:17
Modified: 2026-09-22 20:43
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:54 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/geo-chen/oss/blob/main/phplist3.md disclosure@vulncheck.com
- https://github.com/phpList/phplist3 disclosure@vulncheck.com
- https://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L1... disclosure@vulncheck.com
- https://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L1... disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗