Arbitrary file upload in Kovah Linkace
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Kovah Linkace — versions < 1.15.6
- Linkace
Weakness classification (CWE)
References
- github.com/Kovah/LinkAce/security/advisories/GHSA-2wvv-4576-8862 (Exploit, Vendor Advisory)
- github.com/Kovah/LinkAce/commit/8cf3670d71a8629d33408da76f9d441a1aa933f6 (Patch)
Frequently asked questions
- What is CVE-2024-56508?
- CVE-2024-56508 is a high-severity vulnerability in Kovah Linkace, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.6/10. Published 2024-12-27.
- How severe is CVE-2024-56508?
- High severity. CVSS v3 base score is 7.6 out of 10.