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Servers and applications

CVE-2018-16854

A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.

Severity
High 8.8
Published
26 Nov 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.1.15, 3.3.9, 3.4.6, 3.5.3
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Cross-site request forgery (CWE-352)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Every version up to 3.0.10
  • From 3.1.0 before 3.1.15
  • From 3.3.0 before 3.3.9
  • From 3.4.0 before 3.4.6
  • From 3.5.0 before 3.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-16854
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-16854