WordPress component: Server-side request forgery
WordPress component is affected by server-side request forgery. The vulnerable path is reachable without authentication. The vulnerable server can be induced to make attacker-selected network requests.
- Component
- WordPress component
- Plugin slug
- Not applicable
- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 14, 2022
Update, patch or deactivate.
Update WordPress component to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N