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Advisory record · GHSA-cwh2-q44x-5w3c

Moodle Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability

CVSS 3.3 LowEPSS 0.0032 · 25th percentile

Published by the GitHub Advisory Database at 9 Nov 2023, 21:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
moodle/moodlePackagist<4.3.0-rc24.3.0-rc2
Identifiers
GHSA-cwh2-q44x-5w3c · BIT-moodle-2023-5548 · CVE-2023-5548 · PKSA-7z8c-xy4p-1ctc
Weakness (CWE)
CWE-345 · CWE-349
Tags
Published
9 Nov 2023
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Moodle (the Packagist package moodle/moodle) is affected in versions before 4.3.0-rc2. The source describes the issue only as a need for stronger revision number limits on file serving endpoints to improve protection against cache poisoning, and gives few details about how it could be exploited or what an attacker would gain. The fix is in 4.3.0-rc2, so users should upgrade to that version or later.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
3.3 Low 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CNA (fedora)
  • CISA KEV Not listed.
  • EPSS 0.0032, the 25th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:04 UTC First seen by agentprime
  2. 31 Oct 2026, 14:04 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.