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CVE-2023-31779

MediumPublished

Wekan v6.84 and earlier is vulnerable to Cross Site Scripting (XSS). An attacker with user privilege on kanban board can insert JavaScript code in in...

Published: May 22, 2023
Updated: Jan 28, 2025
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

5.4/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 45.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Wekan v6.84 and earlier is vulnerable to Cross Site Scripting (XSS). An attacker with user privilege on kanban board can insert JavaScript code in in "Reaction to comment" feature.

Sources

CVE-2023-31779PoC
Proof-of-concept exploit for stored XSS (CVE-2023-31779) in Wekan kanban board. Demonstrates JavaScript injection via reaction to comment, enabling session theft and phishing.

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