File Upload Vulnerability Leading to XSS in LinkAce v1.15.5
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA LinkAce (Kovah) Fixed in 1.15.6
Timeline
- 2026-10-02 Threatist record created from CVE-2024-56508
References
More Kovah Linkace vulnerabilities
- TI-2026-21865 LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description CVSS 4.0HIGH 8.7
- TI-2025-38912 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature CVSS 4.0HIGH 8.7
- TI-2025-33730 LinkAce has a Stored One Click XSS vulnerability CVSS 4.0HIGH 8.4
- TI-2026-26303 LinkAce's SSRF protection can be bypassed via internal hostname resolution in LinkAce CVSS 3.1HIGH 8.5
- TI-2026-23778 LinkAce affected by SSRF via link creation: NoPrivateIpRule not applied to LinkStoreRequest CVSS 3.1HIGH 7.7
- TI-2025-36976 LinkAce Vulnerable to Stored XSS on the Audit Page CVSS 3.1HIGH 7.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences