CVE-2026-1890

Name: CVE-2026-1890
Creator: NVD / NIST
Published: 2026-03-26T07:16:19.907+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-1890 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.24%

15.1th percentile

Probability of exploitation in the next 30 days. Learn more

References

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

Timeline

Published: Mar 26, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is 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

How severe is CVE-2026-1890?

CVE-2026-1890 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1890?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1890?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST