CVE-2025-26525: Moodle has an arbitrary file read risk through pdfTeX

February 24, 2025

Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available (such as those with TeX Live installed).

References

git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84136
github.com/advisories/GHSA-4hmr-39vp-xfrr
github.com/moodle/moodle
moodle.org/mod/forum/discuss.php?d=466141
nvd.nist.gov/vuln/detail/CVE-2025-26525

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