CVE-2021-42940

PoC —

CVSS 3.1

9.9 critical

EPSS

1%p63

Published

Feb 11, 2022 (Feb 11, 2022)

Modified

Jun 17, 2026

Description

A Cross Site Scripting (XSS) vulnerability exists in Projeqtor 9.3.1 via /projeqtor/tool/saveAttachment.php, which allows an attacker to upload a SVG file containing malicious JavaScript code.

Vendors: projeqtor
Products: projeqtor
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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