VULNERABILITY INTELLIGENCE

CVE-2021-42940

CVSS score9.9 CRITICAL

EPSS probability1.08%

CISA KEVNot currently listed

Published2022-02-11

Last modified2026-06-17

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

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.

Weakness classification

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory