CVE-2026-41929
Vvveb < 1.0.8.2 Unauthenticated Reflected XSS via Visual Editor
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and _component_ajax POST parameter. Attackers can craft a malicious link or auto-submitted form that causes victims to execute attacker-controlled JavaScript in the context of the Vvveb origin, as the gating function isEditor() performs no session, role, or token verification and the view handler injects raw HTML POST body content without sanitization.
| CWE | CWE-79 |
| Vendor | givanz |
| Product | vvveb |
| Published | May 7, 2026 |
Stay Ahead of the Next One
Get instant alerts for givanz vvveb
Be the first to know when new medium vulnerabilities affecting givanz vvveb are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
givanz / Vvveb
0 < 1.0.8.2
References
github.com: https://github.com/givanz/Vvveb/releases/tag/1.0.8.2 github.com: https://github.com/givanz/Vvveb/security/advisories/GHSA-wwmv-4g9g-p48g github.com: https://github.com/givanz/Vvveb/commit/54a9e846fb94192f1b31ae81d81d25c874662e6a vulncheck.com: https://www.vulncheck.com/advisories/vvveb-unauthenticated-reflected-xss-via-visual-editor
Credits
Basant Kumar (@CyberWarrior9) Hamed Kohi (@0xHamy) VulnCheck