CVE-2021-43558

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.

Se encontró un fallo en Moodle en versiones 3.11 a 3.11.3, 3.10 a 3.10.7, 3.9 a 3.9.10 y versiones anteriores no soportadas. Un parámetro de URL en la herramienta de administración del sitio filetype requería un saneamiento adicional para evitar un riesgo de un ataque de tipo XSS reflejado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-09 CVE Reserved
2021-11-22 CVE Published
2024-08-04 CVE Updated
2024-08-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=2021515	Issue Tracking

URL	Date	SRC

URL	Date	SRC
https://moodle.org/mod/forum/discuss.php?d=429097	2022-12-21

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				<= 3.8.8 Search vendor "Moodle" for product "Moodle" and version " <= 3.8.8"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.9.0 < 3.9.11 Search vendor "Moodle" for product "Moodle" and version " >= 3.9.0 < 3.9.11"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.10.0 < 3.10.8 Search vendor "Moodle" for product "Moodle" and version " >= 3.10.0 < 3.10.8"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.11.0 < 3.11.4 Search vendor "Moodle" for product "Moodle" and version " >= 3.11.0 < 3.11.4"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Extra Packages For Enterprise Linux Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux"				7.0 Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" and version "7.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected