VIR Vulnerability Intelligence Relay

CVE-2013-4341

medium
Published 2013-09-16 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.3

Description

Multiple cross-site scripting (XSS) vulnerabilities in Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 allow remote attackers to inject arbitrary web script or HTML via a crafted blog link within an RSS feed.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_multi/http/moodle_spelling_binary_rce rank 600
Moodle Authenticated Spelling Binary RCE
Source code queued for fetch — refresh in a moment.

Application impact
VendorProductVersionsFixed
moodlemoodle{"endIncluding":"2.2.11"}
moodlemoodle2.3.0
moodlemoodle2.3.1
moodlemoodle2.3.2
moodlemoodle2.3.3
moodlemoodle2.3.4
moodlemoodle2.3.5
moodlemoodle2.3.6
moodlemoodle2.3.7
moodlemoodle2.3.8
moodlemoodle2.4.0
moodlemoodle2.4.1
moodlemoodle2.4.2
moodlemoodle2.4.3
moodlemoodle2.4.4
moodlemoodle2.4.5
moodlemoodle2.5.0
moodlemoodle2.5.1

References

CWEs

CWE-79

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.