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CVE-2021-47835 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.6 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting	CISA-ADP	AdvisoryExploitRemedy
https://freeter.io/	[email protected]	ProductVendor
https://imgur.com/a/iBuKWm4	[email protected]	Broken Link
https://www.exploit-db.com/exploits/49833	[email protected]	Exploit
https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting	[email protected]	AdvisoryExploitRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
Freeter	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 16, 2026	CVE Modified	CISA-ADP
Jan 16, 2026	New CVE Received	[email protected]