Auth bypass in Link Library
CVE-2026-78395
The Link Library WordPress plugin before 7.10.0 does not re-check the selected library's own login requirement when processing its front-end link submission, allowing unauthenticated users to submit links to a library configured to require login by reusing a form token obtained from another library that does not.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- Link Library
Weakness classification (CWE)
References
- wpscan.com/vulnerability/e2cf7d5f-b9c9-4320-9fc8-4ac8c6d24f78/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-78395?
- CVE-2026-78395 is a medium-severity vulnerability in Link Library, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-10-29.
- How severe is CVE-2026-78395?
- Medium severity. CVSS v3 base score is 5.3 out of 10.