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CVE-2022-35650 is an arbitrary file read vulnerability in Moodle caused by insufficient input validation and inadequate path checks during the import of lesson questions. The flaw allows path traversal through attacker-controlled import input, enabling access to files outside the intended directory scope. According to the provided content, exploitation is possible through the lesson question import feature and is limited by default to users with teacher, manager, or administrator access.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a small proof-of-concept exploit for CVE-2022-35650, an arbitrary file read issue in Moodle's Blackboard question import functionality. It contains no executable script; instead, the exploit is delivered as a crafted import package made of two XML-like files: imsmanifest.xml and pool.dat. The manifest sets a malicious baseurl with directory traversal to ../../../../../../../../../etc, while pool.dat embeds HTML containing an <img src="passwd"> reference. When the package is imported through Moodle's Question Bank as a Blackboard format archive and the imported question is edited/viewed, Moodle resolves the image path against the attacker-controlled baseurl and exposes the target local file, demonstrated with /etc/passwd. The README provides step-by-step operator instructions and an alternate traversal target for reading var/www/html/muc/config.php to obtain sensitive configuration data. Repository structure is minimal: LICENSE, README.md, imsmanifest.xml, and pool.dat. This is a valid exploit PoC, not a detection script, and its capability is limited to local file disclosure via authenticated web interaction.
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