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medium·Product Based Web Vulnerabilities·Updated Jan 3, 2024

CVE-2021-26812 Scanner

CVE-2021-26812 scanner - Cross-Site Scripting (XSS) vulnerability in Jitsi Meet plugin for Moodle

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
2.8k
Times Used
continuous scan runs
5.9k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
6.1
CVSS
Description

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.

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
n/aby n/a
n/a
Updated Sep 18, 2026View on NVD →
Detail

Jitsi Meet plugin for Moodle is a video conferencing tool that is used to conduct online classes and meetings for educational institutions and businesses. It provides seamless integration with the Moodle platform, allowing teachers and students to conveniently join virtual classrooms without having to use a separate third-party application. The software features interactive whiteboards, file sharing, and screen sharing, among other things, making it an excellent tool for remote collaboration.

The CVE-2021-26812 vulnerability detected in the Jitsi Meet plugin for Moodle is a Cross Site Scripting (XSS) vulnerability that allows attackers to inject malicious JavaScript code into the software via a crafted URL. This vulnerability, which exists in the "sessionpriv.php" module, can allow attackers to hijack user accounts, steal sensitive data, and launch attacks on other users. Once the attacker successfully injects the JavaScript code, it can be executed whenever the user who clicked on the malicious URL attempts to use the plugin.

If the CVE-2021-26812 vulnerability is exploited, it can lead to a wide range of security issues for users of the Jitsi Meet plugin for Moodle. Attackers can potentially gain unauthorized access to sensitive information, such as usernames, passwords, and personal data, which can be used for identity theft and fraudulent activities. Furthermore, attackers can use the hijacked accounts to launch further attacks, compromising the security and integrity of the entire system.

In conclusion, vulnerabilities such as CVE-2021-26812 can pose a severe threat to the security and integrity of online collaboration tools like Jitsi Meet plugin for Moodle. However, with the right precautions and measures, users can protect themselves and their digital assets effectively. At S4E, we offer pro features that help users identify and address vulnerabilities in their digital assets. By subscribing to our platform, users can enjoy advanced security features and gain the necessary knowledge and tools to keep their systems secure.

 

REFERENCES

Solution Advice

To protect against the CVE-2021-26812 vulnerability, there are several precautions that users of the Jitsi Meet plugin for Moodle can take. These include:

  • Updating the software to the latest version, which has a patch for the vulnerability.
  • Disabling the "sessionpriv.php" module until the vulnerability is addressed.
  • Enabling Content Security Policy (CSP) headers to prevent untrusted scripts from being executed.
  • Implementing strong password policies and multi-factor authentication measures to prevent unauthorized access.

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CVE-2021-26812 scanner - Cross-Site Scripting (XSS) vulnerability in Jitsi Meet plugin for Moodle | S4E