01 Record
CVE-2026-25776
Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.
CriticalPUBLISHEDCNA: jpcert
CNA base score9.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.
03 Exploitation and scoring
- 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.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.6% of scored records. A rank, not a probability.
- NVD base score
- 9.3 (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: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
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-25.
- 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.
04 Metadata
- Published
- 2026-04-08 08:52Z6 MO AGO
- Last updated
- 2026-04-08 13:22Z6 MO AGO
- Reserved
- 2026-03-26
- Assigning CNA
- jpcert
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.3)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.2
- Document digest
- 37893a08b3b0b5e66b115ca0b101a14880193fb5f005a8211ecf1345bdd42b83
05 Affected products
VendorProductVersionsPlatforms
Six Apart Ltd.Movable Type9.1.0 and earlier, 9.0.6 and earlier, 8.8.2 and earlier, 8.0.9 and earlier, 5.1 to 5.18, 5.2, 5.2.1 to 5.2.13, 6.0, 6.0.1 to 6.8.8, 7 r.4207 to r.5510, 8.4.0 to 8.4.4, 1.0 to 1.68—
Six Apart Ltd.Movable Type Advanced9.1.0 and earlier, 9.0.6 and earlier, 8.8.2 and earlier, 8.0.9 and earlier—
Six Apart Ltd.Movable Type Premium Advanced Edition9.1.0 and earlier, 9.0.6 and earlier, 2.14 and earlier—