CVE-2026-25776

CRITICAL EPSS 37.1%
Published Apr 8, 20262mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published Apr 8, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
37.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 8

VendorProductVersionRange
sixapartmovable_type* ≤2.14
sixapartmovable_type9.0.5any
sixapartmovable_type9.0.6any
sixapartmovable_type9.1.0any
sixapartmovable_type*≥8.0.2  –  <8.0.10
sixapartmovable_type*≥8.8.0  –  <8.8.3
sixapartmovable_type*≥9.0.1  –  <9.0.7
sixapartmovable_type9.1.0any

References 3

  • jvn.jp https://jvn.jp/en/jp/JVN66473735/
    Third Party Advisory
  • movabletype.org https://movabletype.org/news/2026/04/mt-907-released.html
    Vendor Advisory
  • sixapart.jp https://www.sixapart.jp/movabletype/news/2026/04/08-1100.html
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.