CVE-2026-15413

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 v3.1

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

EPSS

0.29% chance of exploitation in the next 30 days, 21th percentile

Published

2026-08-13

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2026-15410
• CVE-2026-1542
• CVE-2026-1541
• CVE-2026-15423
• CVE-2026-15409
• CVE-2026-1543