CVE-2024-9440: slim select XSS — Exploit

Description

Slim Select 2.0 versions through 2.9.0 are affected by a potential cross-site scripting vulnerability. In select.ts:createOption(), the text variable from the user-provided Options object is assigned to an innerHTML without sanitation. Software that depends on this library to dynamically generate lists using unsanitized user-provided input may be vulnerable to cross-site scripting, resulting in attacker executed JavaScript. At this time, no patch is available.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
slimselectjs	slim_select	< 2.9.2

References

Exploits

https://github.com/brianvoe/slim-select/issues/564

Other References

https://github.com/brianvoe/slim-select/blob/e7e37e2ff90e125f846bd98d6b8f278524ead79e/src/slim-select/select.ts#L377 https://vulncheck.com/advisories/slim-select-xss

Frequently Asked Questions

What is CVE-2024-9440? +

Slim Select 2.0 versions through 2.9.0 are affected by a potential cross-site scripting vulnerability. In select.ts:createOption(), the text variable from the user-provided Options object is assigned to an innerHTML without sanitation. Software that depends on this library to dynamically generate lists using unsanitized user-provided input may be vulnerable to cross-site scripting, resulting in attacker executed JavaScript. At this time, no patch is available. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-9440? +

CVE-2024-9440 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-9440? +

CVE-2024-9440 affects products from slimselectjs, specifically: slim_select. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-9440? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-9440