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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00255.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
givanz Vvveb unaffected
Version Status Constraints
0 affected ≤ 1.0.8.6

No data.

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Project Subscriptions

Vendors Products
Vvveb Subscribe
Vvveb Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/givanz/Vvveb/security/advisories/GHSA-prqj-4768-vcmq cve-icon cve-icon
https://www.vulncheck.com/advisories/vvveb-through-1.0.8.6-stored-xss-via-sanitizehtml-blacklist-bypass cve-icon cve-icon
History

Fri, 13 Nov 2026 09:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T09:36:09.242Z

Reserved: 2026-11-10T21:25:31.549Z

Link: CVE-2026-126369

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-13T10:17:38.890

Modified: 2026-11-13T10:17:39.017

Link: CVE-2026-126369

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses