CVE-2023-23987

MEDIUMNVD 5.94.8▼

5.9

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WPEverest User Registration plugin <= 2.3.0 versions.

CVSS v3: 5.9
EG Score: 4.8(medium)
EPSS: 30.9%
KEV: Not listed

Published

April 6, 2023

Last Modified

April 28, 2026

References (2)

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 14× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-05-22 06:26 UTCEG score recompute
2026-05-22 06:26 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2023-23987?

CVE-2023-23987 is a medium vulnerability published on April 6, 2023. Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WPEverest User Registration plugin <= 2.3.0 versions.

When was CVE-2023-23987 disclosed?

CVE-2023-23987 was first published in the National Vulnerability Database on April 6, 2023, with the most recent update on April 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-23987 actively exploited?

CVE-2023-23987 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23987?

CVE-2023-23987 has a CVSS v3 base score of 5.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.8.

How do I remediate CVE-2023-23987?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23987, 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.

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CVE-2023-23987

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23987?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)