Cross-Site Scripting Vulnerability in rymcu forest by rymcu
CVE-2026-2946

5.1MEDIUM

Key Information:

Vendor

Rymcu

Status
Forest
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2946?

A security flaw has been identified in rymcu forest, specifically within the XssUtils.replaceHtmlCode function of the Article Content/Comments/Portfolio component. This vulnerability allows for cross-site scripting (XSS), enabling attackers to inject malicious scripts into web pages viewed by users. The issue affects versions up to 0.0.5 and has been publicly disclosed, making it a potential target for exploitation. Despite early notification to the vendor, no response has been recorded, which raises concerns over the promptness of security measures.

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Affected Version(s)

forest 0.0.1

forest 0.0.2

forest 0.0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2946 - Proof of Concept

References

https://vuldb.com/?id.347316
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347316
signaturepermissions-required
https://vuldb.com/?submit.755037
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

xcxr (VulDB User)
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