CVE-2020-1691

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site scripting.

En Moodle versión 3.8, los mensajes requerían un saneo extra antes de actualizar el resumen de la conversación, para prevenir el riesgo de tipo cross-site scripting almacenado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-27 CVE Reserved
2022-08-05 CVE Published
2024-08-04 CVE Updated
2025-06-01 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 (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://moodle.org/mod/forum/discuss.php?d=395953	2022-08-07

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"				3.8.0 Search vendor "Moodle" for product "Moodle" and version "3.8.0"		-		Affected