CVE-2025-55944

MEDIUM

Slink v1.4.9 - Stored Cross-Site Scripting via SVG Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-55944. PoCs published by G3XAR.

AI-analyzed exploit summary The repository contains detailed technical writeups for multiple CVEs, including CVE-2025-55944, CVE-2026-26993, CVE-2026-27198, and CVE-2026-28274. Each writeup includes technical summaries, proof-of-concept steps, and impact analyses, demonstrating a deep understanding of the vulnerabilities.

Description

Slink v1.4.9 allows stored cross-site scripting (XSS) via crafted SVG uploads. When a user views the shared image in a new browser tab, the embedded JavaScript executes. The issue affects both authenticated and unauthenticated users.

Exploits (1)

github WRITEUP
by G3XAR · poc
https://github.com/G3XAR/Security-Research/tree/main/CVE-2025-55944

The repository contains detailed technical writeups for multiple CVEs, including CVE-2025-55944, CVE-2026-26993, CVE-2026-27198, and CVE-2026-28274. Each writeup includes technical summaries, proof-of-concept steps, and impact analyses, demonstrating a deep understanding of the vulnerabilities.

Classification
Writeup 95%
Attack Type
Xss | Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Slink (<=1.6.3), Flare (<1.7.0), Formwork (>=2.0.0, <=2.3.3), Initiative (<0.32.2)
Auth required
Prerequisites: valid account for some CVEs · ability to upload files · victim interaction for XSS
devstral-2 · analyzed Feb 27, 2026 Full analysis →

Scores

CVSS v3 6.1
EPSS 0.0025
EPSS Percentile 16.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
slinkapp/slink 1.4.9
slinkapp/slink 1.5.1
slinkapp/slink 1.6.3
Published Sep 03, 2025
Tracked Since Feb 18, 2026