#VU96642 Cross-site scripting in Webpack - CVE-2024-43788

Vulnerability identifier: #VU96642

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-43788

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Webpack
Web applications / JS libraries

Vendor: webpack-contrib

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 AutoPublicPathRuntimeModule. 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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Webpack: 5.0.0 - 5.93.0

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External links
https://github.com/webpack/webpack/security/advisories/GHSA-4vvj-4cpr-p986
https://github.com/webpack/webpack/commit/955e057abc6cc83cbc3fa1e1ef67a49758bf5a61
https://research.securitum.com/xss-in-amp4email-dom-clobbering
https://scnps.co/papers/sp23_domclob.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.