High severity · published May 15, 2026
CVE-2026-46408
Vvveb: checkout IDOR allows unauthorized reuse of another user's cart
7.6
CVSS
0.2%
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 1.0.8.3, the checkout endpoint accepts a user-controlled cart_id and uses it to enter the payment flow without verifying cart ownership. A logged-in attacker can therefore reuse another user's cart data in their own checkout session. This vulnerability is fixed in 1.0.8.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VV
Vvveb · givanz
< 1.0.8.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46408
github.com
https://github.com/givanz/Vvveb/security/advisories/GHSA-rmh2-wv73-xpqh
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