TI-2023-05570 Aliases CVE-2023-6049 GHSA-5fvv-qqh5-frx3

Estatik Real Estate Plugin < 4.1.1 - Unauthenticated PHP Object Injection

HIGH 82CWE-502Published 2024-01-15 · Updated 2025-06-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00926 60th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed Estatik Real Estate Plugin (Unknown): 4.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Estatik Real Estate Plugin	before 4.1.1	4.1.1	Patch available	CNA

Estatik Real Estate Plugin VendorUnknown Affected before 4.1.1 Fixed in 4.1.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:estatik:estatik::::::wordpress::*	before 4.1.1	Vulnerable	Estatik

cpe:2.3:a:estatik:estatik:*:*:*:*:*:wordpress:*:* Versions before 4.1.1 Vulnerable ·Estatik

Remediation

Fix · CNA Estatik Real Estate Plugin (Unknown) Fixed in 4.1.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2024-01-15
Estatik Real Estate Plugin 4.1.1
3 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM
Other records, highest priority first
- TI-2023-05569 Estatik Real Estate Plugin < 4.1.1 - Subscriber+ Arbitrary Option UpdatePriority MEDIUM 62
- TI-2023-05571 Estatik Real Estate Plugin < 4.1.1 - Reflected XSSPriority MEDIUM 60
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-6049
2026-10-03 Alias added: GHSA-5fvv-qqh5-frx3

References

Exploit 1

https://wpscan.com/vulnerability/8cfd8c1f-2834-4a94-a3fa-c0cfbe78a8b7

TI-2023-05569 Estatik Real Estate Plugin < 4.1.1 - Subscriber+ Arbitrary Option Update CVSS 3.1MEDIUM 6.5
TI-2023-05571 Estatik Real Estate Plugin < 4.1.1 - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2016-08996 The estatik plugin before 2.3.0 for WordPress has unauthenticated arbitrary file upload… CVSS 3.1HIGH 7.5
TI-2016-08997 The estatik plugin before 2.3.1 for WordPress has authenticated arbitrary file upload… CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences