Vulnerability · Published Jan 16, 2026 · Assigned by VulnCheck
CVE-2021-47835Freeter 1.2.1 - Persistent Cross-Site Scripting
High 7.2
In plain English
A high-severity cross-site scripting in Freeter from Freeter. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 61.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Freeter 1.2.1 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads in custom widget titles and files. Attackers can craft malicious files with embedded scripts that execute when victims interact with the application, potentially enabling remote code execution.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
References
- ExploitDB-49833 exploit
- Official Freeter Product Homepage product
- Proof of Concept Video exploit
- VulnCheck Advisory: Freeter 1.2.1 - Persistent Cross-Site Scripting third-party-advisory