Vulnerability · Published Dec 27, 2024 · Assigned by GitHub_M

CVE-2024-56508File Upload Vulnerability Leading to XSS in LinkAce v1.15.5

High 7.6

In plain English

A high-severity unrestricted file upload in LinkAce from Kovah. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)7.6High

Exploit odds (30 days)0.4%top 61.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Kovah	LinkAce	< 1.15.6

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N

References

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