EUVD-2026-61024Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Author-level authentication required (PR:L); network-accessible admin panel; delete operations cause full content loss (A:H, I:H); only post metadata and draft IDs exposed (C:L); no scope change.
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 post operations allow a low-privileged Author to access posts owned by another Author. The admin/controller/content/posts.php controller permits filter[admin_id] to replace the server-selected admin_id restriction and accepts a caller-controlled post_id for duplicate and delete actions, while admin/sql/sqlite/post.sql does not consistently enforce post.admin_id. An attacker can view post metadata, discover post identifiers, duplicate posts, or delete posts and related content, exposing private drafts and causing content pollution, data loss, or business disruption. This issue is fixed in version 1.0.8.4.
AnalysisAI
Insecure Direct Object Reference (IDOR) in Vvveb CMS prior to 1.0.8.4 enables any authenticated Author-role user to bypass ownership enforcement and access, duplicate, or permanently delete posts belonging to other authors. The PHP controller admin/controller/content/posts.php accepts a caller-controlled filter[admin_id] parameter that overrides the server-assigned identity restriction, and the underlying SQL layer (MySQL, PostgreSQL, and SQLite backends) lacked consistent admin_id enforcement on delete and list operations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid, authenticated Author-role account on the target Vvveb CMS installation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.3 High score is driven by AV:N/AC:L/PR:L/UI:N with high integrity and availability impact, reflecting how straightforward exploitation is once an attacker holds any Author account. … 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 | Upgrade to Vvveb 1.0.8.4, which is the vendor-confirmed patched release available at https://github.com/givanz/Vvveb/releases/tag/1.0.8.4. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Vvveb CMS and identify instances with versions prior to 1.0.8.4. …
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External POC / Exploit Code
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