VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published CVSS 5.9 mediumEPSS 3.4% probability of exploitation in 30 days
WordPress

CVE-2022-3590: WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 1 public report, the first from .

How likely is exploitation in the next 30 days?
3.4%

EPSS score, percentile 88.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?
5.9 Medium

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • 4.1.30 through 6.1.1

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding

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.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
WordPress WordPress
StatusVersions
Affected4.1.30 through 6.1.1

Versions not listed are: affected.

Source: CVE List, as of . About the data.

Weakness

CWE-918, CWE-367
  • CWE-918: Server-Side Request Forgery (SSRF)
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

2

Known exploited WordPress vulnerabilities

  • CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability (added )
  • CVE-2026-60137: WordPress Core SQL Injection Vulnerability (added )
  • CVE-2026-63030: WordPress Core Interpretation Conflict Vulnerability (added )
  • CVE-2019-9978: WordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability (added )
  • CVE-2020-11738: WordPress Snap Creek Duplicator Plugin File Download Vulnerability (added )