Medium severity · published May 15, 2026
CVE-2026-44366
Vvveb: Stored XSS via Comment Author Field
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VV
Vvveb · givanz
< 1.0.8.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44366
github.com
https://github.com/givanz/Vvveb/security/advisories/GHSA-gpmg-pcxr-9wvf
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