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

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.