CVE-2026-1890

MEDIUMNVD 5.35.3—Elevated

5.3

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: 5.3
EG Score: 5.3(medium)
EPSS: 7.4%
KEV: Not listed

Published

March 26, 2026

Last Modified

April 15, 2026

References (1)

contact@wpscanhttps://wpscan.com/vulnerability/9b88be70-b5cc-4a3f-a871-64d61cb02076/

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-1890?

CVE-2026-1890 is a medium vulnerability published on March 26, 2026. 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

When was CVE-2026-1890 disclosed?

CVE-2026-1890 was first published in the National Vulnerability Database on March 26, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-1890 actively exploited?

CVE-2026-1890 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-1890?

CVE-2026-1890 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2026-1890?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1890, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-1890

📅 Published

🔄 Last Modified

🔗 References (1)