EUVD-2026-61038Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Network-accessible IDOR requiring only Author credentials (PR:L); no complexity barriers; integrity and confidentiality fully compromised; availability limited to revision record loss.
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 revision operations allow a low-privileged Author to access revisions for posts owned by another Author. The admin/controller/content/revisions.php controller and admin/sql/sqlite/post_content_revision.sql queries trust caller-controlled post_id, language_id, and created_at values without consistently applying the current admin_id to revision lists, reads, restores, and deletes. An attacker can read historic post content, restore a revision over another Author's live post content, or delete revision records, exposing drafts, corrupting published content, and removing audit history. This issue is fixed in version 1.0.8.4.
AnalysisAI
Post revision operations in Vvveb CMS prior to 1.0.8.4 expose an Insecure Direct Object Reference that allows any authenticated Author-role user to read, restore, or delete revision records belonging to other authors. The affected controller passes caller-supplied post_id, language_id, and created_at values directly to SQL queries without enforcing admin_id ownership, enabling cross-author access across list, read, restore, and delete operations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Author-level (or equivalent low-privilege) authenticated account on the target Vvveb CMS installation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.3 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L) is well-calibrated for this vulnerability. … 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 CMS version 1.0.8.4, which is the vendor-released patch addressing this issue. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Vvveb CMS instances in production and their current versions. …
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