CVE-2025-12399

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total 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

0.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 48.3% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

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

2025-11-08 09:28Z10 MO AGO

Last updated

2026-04-08 17:32Z4 MO AGO

Reserved

2025-10-28

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.2

Document digest

3db02cff6ff0512dc58386f857f1c665cc874956a417cbf6690a50ba1b6f96a4

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/f2d97646-27a8-4302-be70-7b4fb1a12300?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/alex-reservations/trunk/includes/application/Alexr/Http/Controllers/UploadFileController.php#L11
• github.comhttps://github.com/d0n601/CVE-2025-12399
• ryankozak.comhttps://ryankozak.com/posts/cve-2025-12399/
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3390614/