PT-2021-3687 · Moodle+1 · Moodle+1

Marina Glancy · Published 2021-07-13 · Updated 2025-03-07 · CVE-2021-36398

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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

Description The issue is related to the ID numbers displayed in the web service token list in Moodle, which required additional sanitizing to prevent a stored XSS risk. This could allow a remote attacker to perform cross-site scripting attacks.

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-2021-2215

BDU:2021-03920

BIT-MOODLE-2021-36398

CVE-2021-36398

GHSA-786G-XV8V-9H93

Affected Products

Alt Linux

Moodle

References · 16

• https://moodle.org/mod/forum/discuss.php?d=424804 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-36398 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03920 · Security Note
• https://osv.dev/vulnerability/BIT-moodle-2021-36398 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36398 · Security Note
• https://ubuntu.com/security/CVE-2021-36398 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-786g-xv8v-9h93 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36398 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-36398 · Security Note
• https://github.com/moodle/moodle · Note
• https://cybersecurity-help.cz/vdb/SB2021071911 · Note
• https://t.me/cibsecurity/59513 · Telegram Post
• https://t.me/cvenotify/45662 · Telegram Post
• https://redos.red-soft.ru/updatesec · Note
• https://t.me/cvenotify/113897 · Telegram Post