CVE-2024-56508: linkace File Upload RCE

Description

LinkAce is a self-hosted archive to collect links of your favorite websites. Prior to 1.15.6, a file upload vulnerability exists in the LinkAce. This issue occurs in the "Import Bookmarks" functionality, where malicious HTML files can be uploaded containing JavaScript payloads. These payloads execute when the uploaded links are accessed, leading to potential reflected or persistent XSS scenarios. This vulnerability is fixed in 1.15.6.

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CVSS v3.1 Score

7.6

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
linkace	linkace	< 1.15.6

References

Advisories & Patches

https://github.com/Kovah/LinkAce/commit/8cf3670d71a8629d33408da76f9d441a1aa933f6 https://github.com/Kovah/LinkAce/security/advisories/GHSA-2wvv-4576-8862 https://github.com/Kovah/LinkAce/security/advisories/GHSA-2wvv-4576-8862

Exploits

https://github.com/Kovah/LinkAce/security/advisories/GHSA-2wvv-4576-8862 https://github.com/Kovah/LinkAce/security/advisories/GHSA-2wvv-4576-8862

Frequently Asked Questions

What is CVE-2024-56508? +

LinkAce is a self-hosted archive to collect links of your favorite websites. Prior to 1.15.6, a file upload vulnerability exists in the LinkAce. This issue occurs in the "Import Bookmarks" functionality, where malicious HTML files can be uploaded containing JavaScript payloads. These payloads execute when the uploaded links are accessed, leading to potential reflected or persistent XSS scenarios. This vulnerability is fixed in 1.15.6. It has a CVSS v3.1 base score of 7.6 (HIGH).

How severe is CVE-2024-56508? +

CVE-2024-56508 has a CVSS v3.1 score of 7.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56508? +

CVE-2024-56508 affects products from linkace, specifically: linkace. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56508? +

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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