CVE-2021-47835
MEDIUM EPSS 32.7%
Published Jan 16, 20265mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Published Jan 16, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
32.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
References 4
- freeter.io https://freeter.io/
- imgur.com https://imgur.com/a/iBuKWm4
- exploit-db.com https://www.exploit-db.com/exploits/49833
- vulncheck.com https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.