CVE-2026-1890

The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.68% chance of exploitation in the next 30 days, 50th percentile

Nuclei

medium · CWE-862

Published

2026-03-26

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/9b88be70-b5cc-4a3f-a871-64d61cb02076/

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-1890.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2026-18898
• CVE-2026-18900
• CVE-2026-18897
• CVE-2026-18901
• CVE-2026-18896
• CVE-2026-18902