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CVE-2012-1503
Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 allows remote attackers to inject…
Medium4.3Public exploitEPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 allows remote attackers to inject arbitrary web script or HTML via the comment section.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 22151 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By mitre
- 2 years later
· 2 years later
Published
- 10 years later
· 10 years later
Record updated
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 |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 22151 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 86729 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.cloudscan.me/2012/10/cve-2012-1503-movable-type-pro-513en.html (opens in a new tab)x_refsource_MISCx_transferred
- 56160 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- movabletype-mt513en-xss(79521) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://packetstormsecurity.org/files/117564/Movable-Type-Pro-5.13en-Cross-Site-Scripting.html (opens in a new tab)x_refsource_MISCx_transferred
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)
- 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-2012-1503)Record last updated .