What is the CVSS score of EUVD-2026-30588?

EUVD-2026-30588 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a patch available for EUVD-2026-30588?

Yes, a patch is available for EUVD-2026-30588. Update the affected software to the latest version immediately.

Vvveb EUVD-2026-30588

| CVE-2026-44366 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-05-15 GitHub_M

XSS Vvveb

6.1

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Lifecycle Timeline

Patch available

May 15, 2026 - 20:02 EUVD

Analysis Generated

May 15, 2026 - 19:34 vuln.today

DescriptionGitHub Advisory

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.1, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Vvveb CMS comment submission flow. The author field is submitted by an unauthenticated user on any public post page, stored without sanitization, and later rendered unsanitized in two distinct sinks: This vulnerability is fixed in 1.0.8.1.

AnalysisAI

Stored Cross-Site Scripting in Vvveb CMS comment submission allows unauthenticated attackers to inject malicious JavaScript through the author field on public post pages. The payload persists in the database and executes in two distinct contexts when administrators or other users view the comments, enabling session hijacking, credential theft, or administrative action manipulation. …

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EUVD-2026-30588 vulnerability details – vuln.today

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