Threats Tagged 'cve-2026-34429'
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Threats Tagged 'cve-2026-34429'
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CVE-2026-34429: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in givanz VvvebCVE-2026-34429 0 Vvveb versions prior to 1. 0. 8. 1 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript. This is achieved by bypassing MIME type validation through prepending a GIF89a header to HTML/JavaScript payloads, renaming the file with an executable extension such as . html, and triggering script execution in an administrator's browser. Exploitation can lead to creation of backdoor accounts and uploading malicious plugins enabling remote code execution. The vulnerability has a medium severity with a CVSS 4. 0 base score of 5. 1. Join the discussion | CVE Database V5 | 04/20/2026, 13:54:37 UTC Added: 04/20/2026, 14:32:43 UTC |
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