CVE-2024-55451: ujcms XSS — Exploit

Description

A Stored Cross-Site Scripting (XSS) vulnerability exists in authenticated SVG file upload and viewing functionality in UJCMS 9.6.3. The vulnerability arises from insufficient sanitization of embedded attributes in uploaded SVG files. When a maliciously crafted SVG file is viewed by other backend users, it allows authenticated attackers to execute arbitrary JavaScript in the context of other backend users' browsers, potentially leading to the theft of sensitive tokens.

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CVSS v3.1 Score

4.8

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
ujcms	ujcms	All

References

Exploits

https://github.com/cydtseng/Vulnerability-Research/blob/main/ujcms/StoredXSS-SVGUpload.md https://github.com/cydtseng/Vulnerability-Research/blob/main/ujcms/StoredXSS-SVGUpload.md

Other References

https://github.com/dromara/ujcms

Frequently Asked Questions

What is CVE-2024-55451? +

A Stored Cross-Site Scripting (XSS) vulnerability exists in authenticated SVG file upload and viewing functionality in UJCMS 9.6.3. The vulnerability arises from insufficient sanitization of embedded attributes in uploaded SVG files. When a maliciously crafted SVG file is viewed by other backend users, it allows authenticated attackers to execute arbitrary JavaScript in the context of other backend users' browsers, potentially leading to the theft of sensitive tokens. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2024-55451? +

CVE-2024-55451 has a CVSS v3.1 score of 4.8 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-2024-55451? +

CVE-2024-55451 affects products from ujcms, specifically: ujcms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-55451? +

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-2024-55451