CVE-2021-47835

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.

Score

CVSS 3.1 7.2 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-01-16

Last modified

2026-01-16

Weaknesses

CWE-79

Affected products

• Freeter (Freeter)

References

• https://freeter.io/
• https://imgur.com/a/iBuKWm4
• https://www.exploit-db.com/exploits/49833
• https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting