CVE-2026-126369

Vvveb through 1.0.8.6 Stored XSS via sanitizeHTML() Blacklist Bypass

Published Nov 13, 2026 CVSS 4.0 · 5.1 Medium EPSS n/a KEV · Not listed
Description
Vvveb through 1.0.8.6 contains a stored cross-site scripting vulnerability that allows low-privilege author or vendor users to inject script by bypassing the regex blacklist in sanitizeHTML(). Attackers can save post or product content with unclosed event-handler tags or javascript: entities to execute script for anonymous visitors and admins, enabling session or CSRF-token theft.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Vvveb through 1.0.8.6 contains a stored cross-site scripting vulnerability that allows low-privilege author or vendor users to inject script by bypassing the regex blacklist in sanitizeHTML(). Attackers can save post or product content with unclosed event-handler tags or javascript: entities to execute script for anonymous visitors and admins, enabling session or CSRF-token theft.
Title Vvveb through 1.0.8.6 Stored XSS via sanitizeHTML() Blacklist Bypass
First Time appeared Vvveb
Vvveb vvveb
Weaknesses CWE-79
CPEs cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*
Vendors & Products Vvveb
Vvveb vvveb
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 13, 2026, 9:36 AM
Reserved
Nov 10, 2026, 9:25 PM
Status
Deferred
Published
Nov 13, 2026, 10:17 AM
Modified
Nov 13, 2026, 10:17 AM