CVE-2022-43660

Name: CVE-2022-43660
Creator: NVD / NIST
Published: 2022-12-07T04:15:10.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2022-43660 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Improper neutralization of Server-Side Includes (SSW) within a web page in Movable Type series allows a remote authenticated attacker with Privilege of 'Manage of Content Types' may execute an arbitrary Perl script and/or an arbitrary OS command. Affected products/versions are as follows: 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 Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Improper neutralization of Server-Side Includes (SSW) within a web page in Movable Type series allows a remote authenticated attacker with Privilege of 'Manage of Content Types' may execute an arbitrary Perl script and/or an arbitrary OS command. Affected products/versions are as follows: 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 Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.97%

57.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sixapart	Movable Type	<= 1.53
Sixapart	Movable Type	>= 7.0, < 7.9.6

References

https://jvn.jp/en/jp/JVN37014768/index.htmlThird Party Advisory
https://movabletype.org/news/2022/11/mt-796-688-released.htmlRelease Notes, Vendor Advisory
https://jvn.jp/en/jp/JVN37014768/index.htmlThird Party Advisory
https://movabletype.org/news/2022/11/mt-796-688-released.htmlRelease Notes, Vendor Advisory

Timeline

Published: Dec 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43660?

How severe is CVE-2022-43660?

CVE-2022-43660 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43660?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43660?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST