EUVD-2026-75161
GHSA-8wq2-j7c6-cq65
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
Lifecycle Timeline
3DescriptionCVE.org
A stored Cross-Site Scripting (XSS) vulnerability exists in the announcement preview component of REBUILD 4.4.3. Although the announcement content undergoes HTML escaping on the server side, the client-side preview code reverses the escaped entities using jQuery's html().text() method and subsequently injects the result into the DOM. An administrator or attacker capable of controlling the announcement content can exploit this vulnerability to execute arbitrary JavaScript code in the browsers of users viewing the affected pages "which may include the dashboard, activity feed, or login page, depending on the announcement's visibility settings.
AnalysisAI
Stored cross-site scripting in the announcement preview component of REBUILD 4.4.3 allows an authenticated user who can author announcement content to run arbitrary JavaScript in the browsers of anyone who views the affected announcement — potentially including the dashboard, activity feed, or login page depending on the announcement's visibility settings. The server correctly HTML-escapes the announcement body, but the client-side preview code reverses those escapes via jQuery's html().text() chain and then re-injects the decoded string into the DOM, defeating the server-side defense. …
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External POC / Exploit Code
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