CVE-2026-29971

MEDIUM

WebFileSys 2.31.1 - XSS

Title source: llm
STIX 2.1

Description

A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0. User-controlled input is reflected into HTML and JavaScript contexts without proper output encoding, allowing arbitrary JavaScript execution in the victim's browser via the ftpBackup functionality, authentication input handling, search functionality, and error message rendering components

Exploits (2)

github WRITEUP
by Tharooon · poc
https://github.com/Tharooon/CVE-2026-29971
nomisec WORKING POC
by tharunchidurala-cyber · poc
https://github.com/tharunchidurala-cyber/BACkupCVE-2026-29971

Scores

CVSS v3 6.1
EPSS 0.0002
EPSS Percentile 3.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Published Apr 27, 2026
Tracked Since Apr 28, 2026