#VU96657 Prototype pollution in rangy - CVE-2023-26102

Vulnerability identifier: #VU96657

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26102

CWE-ID: CWE-1321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
rangy
Other software / Other software solutions

Vendor: timdown

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation in extend() function in file rangy-core.js. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

rangy: 1.0 - 1.3.1

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External links
https://github.com/timdown/rangy/issues/478
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702
https://github.com/timdown/rangy/releases/tag/1.3.2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.