WordPress Link Library plugin <= 7.8.8 - Arbitrary File Deletion vulnerability

published 2026-06-15 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-36986

cvss: 7.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

Contributor Arbitrary File Deletion in Link Library <= 7.8.8 versions.

Patch / fix

fixed in 1

Yannick Lefebvre Link Library 7.8.9

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-16)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected products

Yannick Lefebvre Link Library

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/link-library/vulnerability/wordpress-link-library-plugin-7-8-8-arbitrary-file-delet
vdb-entry

Sources

CVE List CVE-2026-40779
NVD CVE-2026-40779

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary