#VU41363 Cross-site scripting in Movable Type - CVE-2012-1503

Vulnerability identifier: #VU41363

Vulnerability risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2012-1503

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Movable Type
Web applications / CMS

Vendor: Six Apart Ltd

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 when processing comment section. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Movable Type: 5.13

---

External links
https://osvdb.org/show/osvdb/86729
https://packetstormsecurity.org/files/117564/Movable-Type-Pro-5.13en-Cross-Site-Scripting.html
https://www.cloudscan.me/2012/10/cve-2012-1503-movable-type-pro-513en.html
https://www.exploit-db.com/exploits/22151
https://www.securityfocus.com/bid/56160
https://exchange.xforce.ibmcloud.com/vulnerabilities/79521

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.