PT-2023-3324 · Moodle+2 · Moodle+2

Degrange · Published 2020-11-08 · Updated 2024-03-06 · CVE-2023-23921

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Moodle (affected versions not specified)

Description The issue exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim into following a specially crafted link and execute arbitrary HTML and script code in the user's browser in the context of the vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks, potentially stealing confidential information, modifying the appearance of web pages, and conducting phishing attacks or drive-by downloads.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2020-3235

ALT-PU-2023-2012

ALT-PU-2023-2057

ALT-PU-2023-5127

BDU:2023-03478

BIT-MOODLE-2023-23921

CVE-2023-23921

GHSA-97QF-PQ7X-964M

Affected Products

Alt Linux

Moodle

Red Os

References · 16

• https://osv.dev/vulnerability/UBUNTU-CVE-2023-23921 · Vendor Advisory
• https://goslinux.fssp.gov.ru/2726972 · Security Note
• https://osv.dev/vulnerability/CVE-2023-23921 · Vendor Advisory
• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 · Patch
• https://osv.dev/vulnerability/GHSA-97qf-pq7x-964m · Vendor Advisory
• https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-23921 · Security Note
• https://bdu.fstec.ru/vul/2023-03478 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-23921 · Security Note
• https://ubuntu.com/security/CVE-2023-23921 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2023-23921 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-moodle-cve-2023-23923-cve-2023-23922-cve-2023-23921-cve-2022-0332-cve-202 · Note
• https://redos.red-soft.ru/support/secure · Note