CVE-2021-42940

9.9 criticalEPSS 1.1%

Critical (9.9) in projeqtor projeqtor. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.9 critical

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-02-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

projeqtor:projeqtor

References

https://truedigitalsecurity.com/services/penetration-testing-services/advisory-summary-2.2022-cve-2021-42940
https://www.projeqtor.org/en/
https://truedigitalsecurity.com/services/penetration-testing-services/advisory-summary-2.2022-cve-2021-42940
https://www.projeqtor.org/en/

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