vulnerability
WordPress Plugin: tatsu: CVE-2021-25094: Unrestricted Upload of File with Dangerous Type
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Mar 28, 2022 | May 15, 2025 | May 15, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Mar 28, 2022
Added
May 15, 2025
Modified
May 15, 2025
Description
The Tatsu WordPress plugin before 3.3.13 add_custom_font action can be used without prior authentication to upload a rogue zip file which is uncompressed under the WordPress's upload directory. By adding a PHP shell with a filename starting with a dot ".", this can bypass extension control implemented in the plugin. Moreover, there is a race condition in the zip extraction process which makes the shell file live long enough on the filesystem to be callable by an attacker.
Solution
tatsu-plugin-cve-2021-25094
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