CVE-2026-25923
Published: Feb 9, 2026
Modified: Feb 11, 2026
Description
my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file (disguised as JPEG) via the image upload feature, trigger Phar deserialization through BBCode [img] tag processing, and exploit Smarty 4.1.0 POP chain to achieve arbitrary file deletion. This vulnerability is fixed in 20260208.1.
| Vendor | Product | Versions |
|---|---|---|
My-Little-Forum | mylittleforum | affected < 20260208.1 |
References
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