CVE-2023-6049

CRITICALNVD 9.89.8—Elevated

9.8

The Estatik Real Estate Plugin WordPress plugin before 4.1.1 unserializes user input via some of its cookies, which could allow unauthenticated users to perform PHP Object Injection when a suitable gadget chain is present on the blog

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 74.7%
KEV: Not listed

Published

January 15, 2024

Last Modified

June 3, 2025

References (2)

contact@wpscanhttps://wpscan.com/vulnerability/8cfd8c1f-2834-4a94-a3fa-c0cfbe78a8b7
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/8cfd8c1f-2834-4a94-a3fa-c0cfbe78a8b7

Weakness Classification(1)

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

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 10× 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.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 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 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 10:19 UTCEG score recompute
2026-05-24 10:19 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-6049?

CVE-2023-6049 is a critical vulnerability published on January 15, 2024. The Estatik Real Estate Plugin WordPress plugin before 4.1.1 unserializes user input via some of its cookies, which could allow unauthenticated users to perform PHP Object Injection when a suitable gadget chain is present on the blog

When was CVE-2023-6049 disclosed?

CVE-2023-6049 was first published in the National Vulnerability Database on January 15, 2024, with the most recent update on June 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6049 actively exploited?

CVE-2023-6049 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6049?

CVE-2023-6049 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-6049?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6049, 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-2023-6049

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6049?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)