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CVE-2021-47835

HIGH

7.2

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.

CVE Details

CVSS v3.1 Score7.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/16/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-79

References

https://freeter.io/(disclosure@vulncheck.com)

https://imgur.com/a/iBuKWm4(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49833(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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