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

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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.

Published: 2024-12-27 Last update: 2025-10-06 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-56508 is rated Exploit Available (56.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.41%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2024-56508

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2024-56508

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.48% 0.41% -0.07%
2 2026-05-18 0.35% 0.48% +0.13%
3 2026-02-10 — 0.35% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-56508

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.3 4.7 [email protected]

Weakness enumeration for CVE-2024-56508

Affected software / configurations for CVE-2024-56508

Vendor Product Version Raw CPE
linkace linkace < 1.15.6 cpe:2.3:a:linkace:linkace:*:*:*:*:*:*:*:*

References for CVE-2024-56508

cvelogic Threat Intelligence