CVE-2026-92806

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 17.8% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-09-22.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-16 20:32Z1 MO AGO

Last updated

2026-09-17 13:43Z1 MO AGO

Reserved

2026-09-16

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

62bb430a64e418132b9819e122db528fb6de6ff5d2096dc3c455a716215a22c8

• github.comResearcher write-uphttps://github.com/geo-chen/oss/blob/main/phplist3.mdtechnical-descriptionexploit
• github.comthe handler acts on POST data with no token checkhttps://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L13-L24technical-description
• github.com3.6.17 requires verifyCsrfGetTokenhttps://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10patch
• github.comhttps://github.com/phpList/phplist3product
• www.vulncheck.comVulnCheck Advisory: phpList before 3.6.17 Cross-Site Request Forgery via massremove.phphttps://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-phpthird-party-advisory