CVE-2021-26812

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can inject javascript code to be run by the application.

Una vulnerabilidad de tipo Cross Site Scripting (XSS) en el plugin Jitsi Meet versiones 2.7 hasta 2.8.3 para Moodle, por medio del módulo "sessionpriv.php". Esto permite a atacantes crear una URL maliciosa, que cuando los usuarios hacen clic en ella, puede inyectar código javascript para que lo ejecute la aplicación

*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

2021-02-05 CVE Reserved
2021-04-14 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-12-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/udima-university/moodle-mod_jitsi/issues/67	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Jitsi Search vendor "Jitsi"		Meet Search vendor "Jitsi" for product "Meet"				>= 2.7 <= 2.8.3 Search vendor "Jitsi" for product "Meet" and version " >= 2.7 <= 2.8.3"		moodle		Affected