Movable Type up to 5.2.5 Storable::thaw comment_state code

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Movable Type up to 5.2.5. Affected is the function Storable::thaw. The manipulation of the argument comment_state with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Movable Type before 5.2.6 does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via the comment_state parameter.

The weakness was shared 03/27/2015 (Website). The advisory is available at This vulnerability is traded as CVE-2013-2184 since 02/19/2013. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 69051 (Movable Type 5.2.X < 5.2.6 Unspecified Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175320 (Debian Security Update for movabletype-opensource (DSA 3183-1)).

Upgrading to version 5.2.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (85121) and Tenable (69051). The entries 73257 and 74251 are related to this item.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Class: Code
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 69051
Nessus Name: Movable Type 5.2.X < 5.2.6 Unspecified Vulnerability
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Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703183
OpenVAS Name: Debian Security Advisory DSA 3183-1 (movabletype-opensource - security update)
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Movable Type 5.2.6


02/19/2013 🔍
06/13/2013 +114 days 🔍
07/24/2013 +41 days 🔍
09/29/2013 +67 days 🔍
03/27/2015 +544 days 🔍
03/27/2015 +0 days 🔍
04/01/2015 +5 days 🔍
05/02/2022 +2588 days 🔍


Status: Not defined

CVE: CVE-2013-2184 (🔍)

X-Force: 85121
Vulnerability Center: 41631 - Movable Type Prior to 5.2.6 Remote Security Bypass Vulnerability Due to a Flaw In The \x27comment_state()\x27 Function, Medium
SecurityFocus: 60570

See also: 🔍


Created: 04/01/2015 03:02 PM
Updated: 05/02/2022 09:13 AM
Changes: 04/01/2015 03:02 PM (61), 05/12/2017 08:40 AM (8), 05/02/2022 09:13 AM (3)
Complete: 🔍


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