CVE-2023-23640

MEDIUMNVD 5.45.4—

5.4

Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 51.8%
KEV: Not listed

Published

June 9, 2024

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-862Missing Authorization

Data Freshness Timeline

(refreshed 17× 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.

2026-06-05 22:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-23640?

CVE-2023-23640 is a medium vulnerability published on June 9, 2024. Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.

When was CVE-2023-23640 disclosed?

CVE-2023-23640 was first published in the National Vulnerability Database on June 9, 2024, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-23640 actively exploited?

CVE-2023-23640 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23640?

CVE-2023-23640 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2023-23640?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23640, 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-2023-23640

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23640?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)