What is CVE-2021-25093?

CVE-2021-25093 is a high-severity vulnerability in Ylefebvre Link Library, classified under Missing Authorization. CVSS score: 7.5/10. Published 2022-02-01.

How severe is CVE-2021-25093?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-25093 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Ylefebvre Link Library

CVE-2021-25093

The Link Library WordPress plugin before 7.2.8 does not have authorisation in place when deleting links, allowing unauthenticated users to delete arbitrary links via a crafted request

Vulnerability class: Broken Access Control

Published 2022-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Ylefebvre Link Library
Link Library — versions 7.2.8

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/7a7603ce-d76d-4c49-a886-67653bed8cd3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-25093?: CVE-2021-25093 is a high-severity vulnerability in Ylefebvre Link Library, classified under Missing Authorization. CVSS score: 7.5/10. Published 2022-02-01.
How severe is CVE-2021-25093?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-25093 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.