What is the CVSS score of CVE-2024-56508?

CVE-2024-56508 has a CVSS 3.1 base score of 7.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2024-56508?

Yes, a public proof-of-concept exploit is available for CVE-2024-56508. Prioritise patching immediately. EPSS: 0.4%.

Is there a patch available for CVE-2024-56508?

Yes, a patch is available for CVE-2024-56508. Update the affected software to the latest version immediately.

Linkace CVE-2024-56508

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2024-12-27 security-advisories@github.com

XSS File Upload Linkace

7.6

CVSS 3.1 · Vendor: github

Severity by source

Vendor (github) PRIMARY

7.6 HIGH

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

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Dec 27, 2024 - 16:15 cve.org

HIGH 7.6

DescriptionCVE.org

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.

AnalysisAI

LinkAce is a self-hosted archive to collect links of your favorite websites. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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 include: Linkace. Version information: Prior to 1.15.6.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.