EUVD-2026-61035Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor authentication required (PR:L); network-accessible backend; full C/I/A impact from product read, duplication, and cascading delete confirmed by description and commit diff.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.4, Vvveb backend product operations allow a low-privileged Vendor to access products owned by another Vendor. The admin/controller/product/products.php controller accepts a caller-controlled product_id for duplicate and delete actions, and admin/sql/sqlite/product.sql loads and mutates products without consistently applying the current admin_id when view_other_products or edit_other_products is absent. An attacker can read product details, duplicate products, or delete products and related catalog data, exposing commercial information and causing unauthorized copies, catalog pollution, data loss, or business disruption. This issue is fixed in version 1.0.8.4.
AnalysisAI
Insecure Direct Object Reference in Vvveb CMS prior to 1.0.8.4 allows any authenticated low-privileged Vendor to read, duplicate, or delete products belonging to other Vendors by submitting arbitrary product_id values in backend product operations. The root cause is that the products.php controller passes caller-controlled product_id values to SQL operations without consistently enforcing admin_id scoping - the fix required adding conditional admin_id filtering across six DELETE statements in both MySQL and PostgreSQL query files. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an active authenticated session with at minimum Vendor-level privileges in the Vvveb backend - unauthenticated access is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately captures the technical severity: remote exploitation requires only a Vendor-level session, involves no complexity, and delivers full read/write/delete impact on product data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to upgrade to Vvveb CMS version 1.0.8.4, which introduces conditional admin_id enforcement across all product DELETE and SELECT SQL operations and adds capability checks in the products.php controller. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all Vvveb CMS production instances in multi-vendor mode and immediately restrict vendor users to read and modify only their own vendor's products through access control lists. …
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External POC / Exploit Code
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