All vulnerabilities

Servers and applications

CVE-2017-12156

Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

Severity
Medium 6.1
Published
18 Sept 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.2% in the next 30 daysHigher than 69% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 3.3.2
  • Version 3.3.1
  • Version 3.3.0
  • Version 3.2.5
All 43 release lines
  • Version 3.0.0-beta
  • Version 3.0.0-rc1
  • Version 3.0.0-rc2
  • Version 3.0.0-rc3
  • Version 3.0.0-rc4
  • Version 3.0.0
  • Version 3.0.1
  • Version 3.0.2
  • Version 3.0.3
  • Version 3.0.4
  • Version 3.0.5
  • Version 3.0.6
  • Version 3.0.7
  • Version 3.0.8
  • Version 3.0.9
  • Version 3.0.10
  • Version 3.1.0-beta
  • Version 3.1.0-rc1
  • Version 3.1.0-rc2
  • Version 3.1.0
  • Version 3.1.1
  • Version 3.1.2
  • Version 3.1.3
  • Version 3.1.4
  • Version 3.1.5
  • Version 3.1.6
  • Version 3.1.7
  • Version 3.1.8
  • Version 3.2.0-beta
  • Version 3.2.0-rc1
  • Version 3.2.0-rc2
  • Version 3.2.0-rc3
  • Version 3.2.0-rc4
  • Version 3.2.0-rc5
  • Version 3.2.0
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.2.5
  • Version 3.3.0
  • Version 3.3.1
  • Version 3.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12156
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12156