Improper neutralization of Server-Side Includes (SSW) within a web page in Movable Type series allows a remote authenticated attacker with…

published 2022-12-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46655

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

sixapart movable_type 7.9.6

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-23)

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Six Apart Ltd. Movable Type

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

movabletype.org /news/2022/11/mt-796-688-released.html
release-notes, vendor-advisory
jvn.jp /en/jp/JVN37014768/index.html
third-party-advisory

Sources

CVE List CVE-2022-43660
NVD CVE-2022-43660

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary