← Vulnerability feed

Vulnerability record · CVE-2022-45122 · published 7 December 2022

CVE-2022-45122: Sixapart movable type cross-site scripting vulnerability

SSixapart · Movable Type

Cross-site scripting vulnerability in Movable Type Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.

6.1 CVSS 3.1 Medium EPSS 0.52% · top 58.0% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Cross-site scripting vulnerability in Movable Type Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jvn.jp/en/jp/JVN37014768/index.html Third Party Advisory
https://movabletype.org/news/2022/11/mt-796-688-released.html Release NotesVendor Advisory
https://jvn.jp/en/jp/JVN37014768/index.html Third Party Advisory
https://movabletype.org/news/2022/11/mt-796-688-released.html Release NotesVendor Advisory

Track CVE-2022-45122 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-0752Sixapart movable type vulnerabilityUnspecified vulnerability in Movable Type Pro and Community Solution 4.x before 4.24 has unknown impact and attack vectors, possibly related to the p…EPSS 1.4%9.8CVE-2022-38078Sixapart movable type code injection vulnerabilityMovable Type XMLRPC API provided by Six Apart Ltd. contains a command injection vulnerability. Sending a specially crafted message by POST method to …EPSS 2.1%9.8CVE-2021-20837Movable Type XMLRPC API OS command injectionMovable Type 7, 6, Advanced and Premium editions (and all versions 4.0 or later, including EOL releases) contain an OS command injection flaw reachab…EPSS 88%analysed9.8CVE-2016-5742Sixapart movable type sql injection vulnerabilitySQL injection vulnerability in the XML-RPC interface in Movable Type Pro and Advanced 6.x before 6.1.3 and 6.2.x before 6.2.6 and Movable Type Open S…EPSS 1.6%9.3CVE-2026-25776Sixapart movable type code injection vulnerabilityMovable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.EPSS 0.73%8.8CVE-2020-5576Sixapart movable type cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability in Movable Type series (Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Adva…EPSS 0.84%8.8CVE-2020-5577Sixapart movable type unrestricted file upload vulnerabilityMovable Type series (Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Adv…EPSS 1.7%7.5CVE-2013-2184Sixapart movable type vulnerabilityMovable Type before 5.2.6 does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via the comment_…EPSS 3.6%

Source: NIST National Vulnerability Database (record CVE-2022-45122), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.