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Moodle: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2023-23921)

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Moodle: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2023-23921)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/17/2023
Created
03/03/2023
Added
03/02/2023
Modified
03/02/2023

Description

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

Solution(s)

  • moodle-upgrade-3_11_12
  • moodle-upgrade-3_9_19
  • moodle-upgrade-4_0_6

References

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