CVE-2026-2946
CWE-79Published: February 22, 2026· Updated: Feb 25, 2026
Official Description
A security vulnerability has been detected in rymcu forest up to 0.0.5. Affected by this issue is the function XssUtils.replaceHtmlCode of the file src/main/java/com/rymcu/forest/util/XssUtils.java of the component Article Content/Comments/Portfolio. The manipulation leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Technical Analysis
CVE-2026-2946 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
A proof-of-concept (PoC) exploit exists for CVE-2026-2946. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-2946 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts