01 Record
CVE-2026-23704
A non-administrative user can upload malicious files. When an administrator or the product accesses that file, an arbitrary script may be executed on the administrator's browser. Note that Movable
MediumPUBLISHEDCNA: jpcert
CNA base score5.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
02 Description
A non-administrative user can upload malicious files. When an administrator or the product accesses that file, an arbitrary script may be executed on the administrator's browser. Note that Movable
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.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.23% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 14.1% of scored records. A rank, not a probability.
- NVD base score
- 5.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/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 2026-06-17.
- 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.
04 Metadata
- Published
- 2026-02-04 07:03Z8 MO AGO
- Last updated
- 2026-02-04 16:07Z8 MO AGO
- Reserved
- 2026-01-29
- Assigning CNA
- jpcert
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.1)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
- Weaknesses
- CWE-434Unrestricted Upload of File with Dangerous TypeBase
- Data version
- 5.2
- Document digest
- 3ba3fb3df80c9335834882aea4f780c1333dc84b96fd79d8f07ed0dd64603636
05 Affected products
VendorProductVersionsPlatforms
Six Apart Ltd.Movable Type (Software Edition)9.0.4 to 9.0.5 (9.0 series), 8.8.0 to 8.8.1 (8.8 series), 8.0.2 to 8.0.8 (8.0 series)—
Six Apart Ltd.Movable Type Advanced (Software Edition)9.0.4 to 9.0.5 (9.0 series), 8.8.0 to 8.8.1 (8.8 series), 8.0.2 to 8.0.8 (8.0 series)—
Six Apart Ltd.Movable Type Premium (Software Edition)9.0.4 (MTP 9.0 series), 2.13 and earlier (MTP 2 series)—
Six Apart Ltd.Movable Type Premium (Advanced Edition) (Software Edition)9.0.4 (MTP 9.0 series), 2.13 and earlier (MTP 2 series)—