CVE-2026-3881

MEDIUMNVD 5.85.8—Elevated

5.8

The Performance Monitor WordPress plugin through 1.0.6 does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attacks

CVSS v3: 5.8
EG Score: 5.8(medium)
EPSS: 13.1%
KEV: Not listed

Published

March 31, 2026

Last Modified

April 15, 2026

References (1)

contact@wpscanhttps://wpscan.com/vulnerability/4b30421e-9848-45ce-87ab-0229d9d7df01/

Data Freshness Timeline

(refreshed 16× 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
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 19:51 UTCEG score recompute
2026-05-20 19:51 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-3881?

CVE-2026-3881 is a medium vulnerability published on March 31, 2026. The Performance Monitor WordPress plugin through 1.0.6 does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attacks

When was CVE-2026-3881 disclosed?

CVE-2026-3881 was first published in the National Vulnerability Database on March 31, 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-2026-3881 actively exploited?

CVE-2026-3881 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-3881?

CVE-2026-3881 has a CVSS v3 base score of 5.8 (NVD).

How do I remediate CVE-2026-3881?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3881, 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-2026-3881

📅 Published

🔄 Last Modified

🔗 References (1)