CVE-2018-1081

MEDIUM

Moodle < 3.0.10, 3.1-3.1.10 - Unauthenticated Email Spam via PayPal IPN Callback

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103728
Vendor Advisory x_refsource_confirm
https://moodle.org/mod/forum/discuss.php?d=367938

Scores

CVSS v3 5.3
EPSS 0.0093
EPSS Percentile 76.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
moodle/moodle < 3.0.10
moodle/moodle 3.1 - 3.1.11Packagist
Published Apr 04, 2018
Tracked Since Feb 18, 2026