Cross Site Scripting Vulnerability in rymcu forest User Profile Handler
CVE-2026-2947

5.1MEDIUM

Key Information:

Vendor

Rymcu

Status
Forest
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2947?

A cross site scripting vulnerability has been identified in rymcu forest versions up to 0.0.5, specifically within the updateUserInfo function of the UserInfoController.java file. This vulnerability allows attackers to remotely manipulate the system, potentially leading to unauthorized access or data leakage. The issue arises from improper input validation, enabling the injection of malicious scripts. The exploit was made public, heightening the urgency for affected users to assess and remediate their systems. Despite early notifications, the vendor did not respond to these disclosures.

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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-2026-2947 - Proof of Concept

References

https://vuldb.com/?id.347317
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347317
signaturepermissions-required
https://vuldb.com/?submit.755039
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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