CVE-2025-54856Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with…
- 4.6MediumCVSS base score
- 0.23%Exploitation in 30 daysEPSS · top 86% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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 be executed on the web browser of the user who accesses Edit ContentData page.
Timeline
ID reserved
By jpcert
- 7 days later
· 7 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| jpcertCNA (assigner) | 4.0 | Medium4.6 | 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 |
| jpcertCNA (assigner) | 3.0 | Medium4.8 | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Deferred | 4.0 | Medium4.6 | 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 |
- EPSS (exploitation in 30 days)
- 0.23% · top 86% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Affected products
Six Apart Ltd. · Movable Type (Software Edition)
- affected 8.4.0 to 8.4.3 (8.4 series)
- affected 8.0.0 to 8.0.7 (8.0 series)
- affected 7 r.5509 and earlier (7 series)
Six Apart Ltd. · Movable Type Advanced (Software Edition)
- affected 8.4.0 to 8.4.3 (8.4 series)
- affected 8.0.0 to 8.0.7 (8.0 series)
- affected 7 r.5509 and earlier (7 series)
Six Apart Ltd. · Movable Type Premium (Software Edition)
- affected 2.10 and earlier (2 series)
- affected 1.67 and earlier (1 series)
Six Apart Ltd. · Movable Type Premium (Advanced Edition) (Software Edition)
- affected 2.10 and earlier (2 series)
- affected 1.67 and earlier (1 series)
Six Apart Ltd. · Movable Type (Cloud Edition)
- affected 8.7.0 (8 series)
- affected 7 r.5509 (7 series)
Six Apart Ltd. · Movable Type Premium (Cloud Edition)
- affected 2.10 (2 series)
- affected 1.67 (1 series)
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-35656 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-54856)Record last updated .