CVE-2022-3590
MEDIUM5.9EPSS 90.3%WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding
Published: 12/14/2022Modified: 5/27/2026
Description
WordPress is affected by an unauthenticated blind SSRF in the pingback feature. Because of a TOCTOU race condition between the validation checks and the HTTP request, attackers can reach internal hosts that are explicitly forbidden.
Affected packages (3)
- Bitnami/wordpress>= 4.1.0, < 4.1.1, >= 4.2.0, < 6.1.2
- Bitnami/wordpress-multisite>= 4.1.0, < 4.1.1, >= 4.2.0, < 6.1.2
- Debian/wordpressfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |