What’s Vulnerable › Vulnerabilities
CVE-2026-86842: Real3D Flipbook Lite < 5.4 - Author+ Content Deletion and Stored XSS via Global Settings Overwrite
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-09-23
- Weakness: CWE-862
Description
The Real3D Flipbook WordPress plugin before 5.4 does not perform capability checks on several of its authenticated flipbook management actions, allowing users with Author-level access and above to delete other users' flipbook content and overwrite administrator-only global settings, which can be leveraged to store JavaScript that executes in the context of any visitor or administrator viewing the site.
Affected products
- Real3D Flipbook: before 5.4 — fixed in 5.4
How to fix
Upgrade to a fixed version: Real3D Flipbook 5.4. Check the vendor advisory for mitigations.
References
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