VIR Vulnerability Intelligence Relay

CVE-2013-4523

low
Published 2013-11-26 · Modified 2026-04-29
CVSS v3
—
CVSS v2
3.5
VIR risk
3.5

Description

Cross-site scripting (XSS) vulnerability in message/lib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 allows remote authenticated users to inject arbitrary web script or HTML via a crafted message.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://moodle.org/mod/forum/discuss.php?d=244480

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-41941

Application impact
VendorProductVersionsFixed
moodlemoodle{"endIncluding":"2.2.11"}
moodlemoodle1.1.1
moodlemoodle1.2.0
moodlemoodle1.2.1
moodlemoodle1.3.0
moodlemoodle1.3.1
moodlemoodle1.3.2
moodlemoodle1.3.3
moodlemoodle1.3.4
moodlemoodle1.4.1
moodlemoodle1.4.2
moodlemoodle1.4.3
moodlemoodle1.4.4
moodlemoodle1.4.5
moodlemoodle1.5
moodlemoodle1.5.0
moodlemoodle1.5.1
moodlemoodle1.5.2
moodlemoodle1.5.3
moodlemoodle1.6.0
moodlemoodle1.6.1
moodlemoodle1.6.2
moodlemoodle1.6.3
moodlemoodle1.6.4
moodlemoodle1.6.5
moodlemoodle1.6.6
moodlemoodle1.6.7
moodlemoodle1.6.8
moodlemoodle1.7.1
moodlemoodle1.7.2
moodlemoodle1.7.3
moodlemoodle1.7.4
moodlemoodle1.7.5
moodlemoodle1.7.6
moodlemoodle1.8.1
moodlemoodle1.8.2
moodlemoodle1.8.3
moodlemoodle1.8.4
moodlemoodle1.8.5
moodlemoodle1.8.6
moodlemoodle1.8.7
moodlemoodle1.8.8
moodlemoodle1.8.9
moodlemoodle1.8.10
moodlemoodle1.8.11
moodlemoodle1.8.12
moodlemoodle1.8.13
moodlemoodle1.8.14
moodlemoodle1.9.1
moodlemoodle1.9.2
moodlemoodle1.9.3
moodlemoodle1.9.4
moodlemoodle1.9.5
moodlemoodle1.9.6
moodlemoodle1.9.7
moodlemoodle1.9.8
moodlemoodle1.9.9
moodlemoodle1.9.10
moodlemoodle1.9.11
moodlemoodle1.9.12
moodlemoodle1.9.13
moodlemoodle1.9.14
moodlemoodle1.9.15
moodlemoodle1.9.16
moodlemoodle1.9.17
moodlemoodle1.9.18
moodlemoodle2.0.0
moodlemoodle2.0.1
moodlemoodle2.0.2
moodlemoodle2.0.3
moodlemoodle2.0.4
moodlemoodle2.0.5
moodlemoodle2.0.6
moodlemoodle2.0.7
moodlemoodle2.0.8
moodlemoodle2.0.9
moodlemoodle2.1.0
moodlemoodle2.1.1
moodlemoodle2.1.2
moodlemoodle2.1.3
moodlemoodle2.1.4
moodlemoodle2.1.5
moodlemoodle2.1.6
moodlemoodle2.1.7
moodlemoodle2.1.8
moodlemoodle2.1.9
moodlemoodle2.1.10
moodlemoodle2.2.0
moodlemoodle2.2.1
moodlemoodle2.2.2
moodlemoodle2.2.3
moodlemoodle2.2.4
moodlemoodle2.2.5
moodlemoodle2.2.6
moodlemoodle2.2.7
moodlemoodle2.2.8
moodlemoodle2.2.9
moodlemoodle2.2.10
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
moodlemoodle2.3.9
moodlemoodle2.4.0
moodlemoodle2.4.1
moodlemoodle2.4.2
moodlemoodle2.4.3
moodlemoodle2.4.4
moodlemoodle2.4.5
moodlemoodle2.4.6
moodlemoodle2.5.0
moodlemoodle2.5.1
moodlemoodle2.5.2

References

CWEs

CWE-79

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