Description
The default configuration of Movable Type before 4.38, 5.0x before 5.07, and 5.1x before 5.13 supports the "mt:Include file=" attribute, which allows remote authenticated users to conduct directory traversal attacks and read arbitrary files by leveraging the template-designer role.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | movabletype-opensource | 4.3.8+dfsg-0+squeeze2 | DSA-2423-1 |
Advisories 1
- DSA-2423-1 movabletype-opensource - several Debian Security (DSA / DLA) · Mar 9, 2026