#VU102065 Cross-site scripting in PhpSpreadsheet - CVE-2024-45046

Vulnerability identifier: #VU102065

Vulnerability risk: Low

CVSSv4.0: 1.2 [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:U/U:Clear]

CVE-ID: CVE-2024-45046

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PhpSpreadsheet
Universal components / Libraries / Libraries used by multiple products

Vendor: PHPOffice

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user 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 updates from vendor's website.

Vulnerable software versions

PhpSpreadsheet: before 2.1.0

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External links
https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-wgmf-q9vr-vww6
https://github.com/PHPOffice/PhpSpreadsheet/pull/3957
https://github.com/PHPOffice/PhpSpreadsheet/commit/f7cf378faed2e11cf4825bf8bafea4922ae44667

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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.