CVE-2012-1503
Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT)...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-1503- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-1503- Updated
- 2026-11-02
EUVDEUVD-2012-1521 No score
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.
- Record
EUVD-2012-1521- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-crq9-rq4m-26gj No score
Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT)...
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.
- Record
GHSA-crq9-rq4m-26gj- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Movable Type Pro 5.13en - Persistent Cross-Site Scripting | 2012-10-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-1503 is a medium vulnerability (CVSS 4.3) in Sixapart Movable Type, published August 29, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.01%, the 80th percentile. No source names a fixed version.
References
exploit-db.com/exploits/22151
osvdb.org/show/osvdb/86729
cloudscan.me/2012/10/cve-2012-1503-movable-type-pro-513en.html
securityfocus.com/bid/56160
exchange.xforce.ibmcloud.com/vulnerabilities/79521
packetstormsecurity.org/files/117564/Movable-Type-Pro-5.13en-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2012-1503
github.com/advisories/GHSA-crq9-rq4m-26gj