Cross-site scripting in markdown-to-jsx - CVE-2024-21535
Published: December 10, 2024
Vulnerability identifier: #VU101381
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2024-21535
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject a malicios iframe and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
markdown-to-jsx
Fedora
jupyterlab
python-notebook
Fedora
jupyterlab
python-notebook
How to mitigate CVE-2024-21535
Install updates from vendor's website.
markdown-to-jsx - update to 7.4.0
jupyterlab - addressed in versions 4.3.2-1.fc40, 4.3.2-1.fc41, 4.3.2-1.fc42
python-notebook - addressed in versions 7.3.1-1.fc40, 7.3.1-1.fc41, 7.3.1-1.fc42
jupyterlab - addressed in versions 4.3.2-1.fc40, 4.3.2-1.fc41, 4.3.2-1.fc42
python-notebook - addressed in versions 7.3.1-1.fc40, 7.3.1-1.fc41, 7.3.1-1.fc42