Cross-site scripting in vega - CVE-2025-27793

 

Cross-site scripting in vega - CVE-2025-27793

Published: March 27, 2025


Vulnerability identifier: #VU106081
CSH Severity: Low
CVSS v4.0: 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/E:P/U:Clear
CVE-ID: CVE-2025-27793
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Vega
Affected software:
vega

Detailed vulnerability description

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 in RegExp.prototype[@@replace]. A remote attacker can trick the victim to follow a specially crafted link 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.


How to mitigate CVE-2025-27793

Install updates from vendor's website.

Sources