UpHeron
All vulnerabilities

Servers and applications

CVE-2018-1133

An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.

Severity
High 8.8
Published
25 May 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
31% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Code injection (CWE-94)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • From 3.1.0 up to 3.1.11
  • From 3.2.0 up to 3.2.8
  • From 3.3.0 up to 3.3.5
  • From 3.4.0 up to 3.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1133
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1133