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Vulnerability record · CVE-2026-15413 · published 13 August 2026

CVE-2026-15413: The Link Factory WordPress plugin is a backdoor.

The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).

10.0 CVSS 3.1 Critical EPSS 0.52% · top 58.0% CWE-912 · CWE-912 Deferred
10.0CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

Description

The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

LinkTags
https://wpscan.com/vulnerability/4cad269d-0146-4ca9-a1ae-55f02c8e5433/

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Source: NIST National Vulnerability Database (record CVE-2026-15413), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.