PT-2021-5356 · Moodle+1 · Moodle+1

Starlabs_Sg · Published 2021-11-10 · Updated 2024-03-06 · CVE-2021-43558

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 versions 3.11 to 3.11.3 Moodle versions 3.10 to 3.10.7 Moodle versions 3.9 to 3.9.10 Moodle earlier unsupported versions

Description A flaw was found in the filetype site administrator tool, where a URL parameter required extra sanitizing to prevent a reflected XSS risk. This issue is related to the lack of protection measures for the web page structure, which could allow a remote attacker to perform cross-site scripting attacks.

Recommendations For Moodle versions 3.11 to 3.11.3, update to a version that includes the necessary sanitizing for the URL parameter in the filetype site administrator tool. For Moodle versions 3.10 to 3.10.7, update to a version that includes the necessary sanitizing for the URL parameter in the filetype site administrator tool. For Moodle versions 3.9 to 3.9.10, update to a version that includes the necessary sanitizing for the URL parameter in the filetype site administrator tool. For Moodle earlier unsupported versions, consider upgrading to a supported version that includes the necessary security fixes.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2021-3258

ALT-PU-2021-3335

ALT-PU-2022-1641

BDU:2021-06186

BIT-MOODLE-2021-43558

CVE-2021-43558

GHSA-WPFP-Q843-V772

Affected Products

Alt Linux

Moodle

References · 16

• https://moodle.org/mod/forum/discuss.php?d=429097 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43558 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-43558 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2021-43558 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43558 · Security Note
• https://ubuntu.com/security/CVE-2021-43558 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06186 · Security Note
• https://osv.dev/vulnerability/GHSA-wpfp-q843-v772 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-43558 · Security Note
• https://github.com/moodle/moodle · Note
• https://t.me/cvenotify/31587 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021111615 · Note
• https://redos.red-soft.ru/updatesec · Note
• https://t.me/cibsecurity/32793 · Telegram Post
• https://securitylab.ru/vulnerability/526579.php · Note