UpHeron
All vulnerabilities

Servers and applications

CVE-2018-1081

A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was verified, otherwise admin email can be spammed.

Severity
Medium 5.3
Published
4 Apr 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.4% in the next 30 daysHigher than 72% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · No login needed · No user action needed
Attacker can
Change some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Every version up to 3.0.10
  • From 3.1 up to 3.1.10
  • From 3.2 up to 3.2.7
  • From 3.3 up to 3.3.4
  • From 3.4.0 up to 3.4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1081
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1081