UpHeron
All vulnerabilities

Servers and applications

CVE-2013-4523

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.

Severity
Low 3.5
Published
26 Nov 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 63% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · Needs a login
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:S/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 2.5.2
  • Version 2.5.1
  • Version 2.5.0
  • Version 2.4.6
All 118 release lines
  • Every version up to 2.2.11
  • Version 1.1.1
  • Version 1.2.0
  • Version 1.2.1
  • Version 1.3.0
  • Version 1.3.1
  • Version 1.3.2
  • Version 1.3.3
  • Version 1.3.4
  • Version 1.4.1
  • Version 1.4.2
  • Version 1.4.3
  • Version 1.4.4
  • Version 1.4.5
  • Version 1.5.0-beta
  • Version 1.5
  • Version 1.5.1
  • Version 1.5.2
  • Version 1.5.3
  • Version 1.6.0
  • Version 1.6.1
  • Version 1.6.2
  • Version 1.6.3
  • Version 1.6.4
  • Version 1.6.5
  • Version 1.6.6
  • Version 1.6.7
  • Version 1.6.8
  • Version 1.7.1
  • Version 1.7.2
  • Version 1.7.3
  • Version 1.7.4
  • Version 1.7.5
  • Version 1.7.6
  • Version 1.8.1
  • Version 1.8.2
  • Version 1.8.3
  • Version 1.8.4
  • Version 1.8.5
  • Version 1.8.6
  • Version 1.8.7
  • Version 1.8.8
  • Version 1.8.9
  • Version 1.8.10
  • Version 1.8.11
  • Version 1.8.12
  • Version 1.8.13
  • Version 1.8.14
  • Version 1.9.1
  • Version 1.9.2
  • Version 1.9.3
  • Version 1.9.4
  • Version 1.9.5
  • Version 1.9.6
  • Version 1.9.7
  • Version 1.9.8
  • Version 1.9.9
  • Version 1.9.10
  • Version 1.9.11
  • Version 1.9.12
  • Version 1.9.13
  • Version 1.9.14
  • Version 1.9.15
  • Version 1.9.16
  • Version 1.9.17
  • Version 1.9.18
  • Version 2.0.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.0.6
  • Version 2.0.7
  • Version 2.0.8
  • Version 2.0.9
  • Version 2.1.0
  • Version 2.1.1
  • Version 2.1.2
  • Version 2.1.3
  • Version 2.1.4
  • Version 2.1.5
  • Version 2.1.6
  • Version 2.1.7
  • Version 2.1.8
  • Version 2.1.9
  • Version 2.1.10
  • Version 2.2.0
  • Version 2.2.1
  • Version 2.2.2
  • Version 2.2.3
  • Version 2.2.4
  • Version 2.2.5
  • Version 2.2.6
  • Version 2.2.7
  • Version 2.2.8
  • Version 2.2.9
  • Version 2.2.10
  • Version 2.3.0
  • Version 2.3.1
  • Version 2.3.2
  • Version 2.3.3
  • Version 2.3.4
  • Version 2.3.5
  • Version 2.3.6
  • Version 2.3.7
  • Version 2.3.8
  • Version 2.3.9
  • Version 2.4.0
  • Version 2.4.1
  • Version 2.4.2
  • Version 2.4.3
  • Version 2.4.4
  • Version 2.4.5
  • Version 2.4.6
  • Version 2.5.0
  • Version 2.5.1
  • Version 2.5.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-4523
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-4523