01 Record
CVE-2025-54856
Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may
MediumPUBLISHEDCNA: jpcert
CNA base score4.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
02 Description
Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may
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
- 4.6 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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 2026-06-17.
- 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
- 2025-10-23 04:10Z1 YR AGO
- Last updated
- 2025-10-23 15:18Z1 YR AGO
- Reserved
- 2025-10-16
- Assigning CNA
- jpcert
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.6)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 6e560b6b3017f982486f7b2f6abd2237058128030956bee812f1c99c837bfc28
05 Affected products
VendorProductVersionsPlatforms
Six Apart Ltd.Movable Type (Software Edition)8.4.0 to 8.4.3 (8.4 series), 8.0.0 to 8.0.7 (8.0 series), 7 r.5509 and earlier (7 series)—
Six Apart Ltd.Movable Type Advanced (Software Edition)8.4.0 to 8.4.3 (8.4 series), 8.0.0 to 8.0.7 (8.0 series), 7 r.5509 and earlier (7 series)—
Six Apart Ltd.Movable Type Premium (Software Edition)2.10 and earlier (2 series), 1.67 and earlier (1 series)—
Six Apart Ltd.Movable Type Premium (Advanced Edition) (Software Edition)2.10 and earlier (2 series), 1.67 and earlier (1 series)—