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VulnerabilityPublished Updated

CVE-2023-6049: Estatik Real Estate Plugin · Deserialization of Untrusted Data

Affects Estatik Real Estate PluginSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical · fixed in 4.1.1 : patch Estatik Real Estate Plugin as a priority.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 60% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.1.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Unknown Estatik Real Estate PluginAffected
  • =0
Fixed in–

AI-suggested

  1. Immediate upgrade: Organizations should verify the plugin version and upgrade to Estatik Real Estate Plugin version 4.1.1 or later as soon as it is released by the vendor.
  2. Input validation: Until patched, implement web application firewall (WAF) rules to block or sanitize suspicious cookie values that could contain serialized objects.
  3. Disable or restrict plugin usage: If upgrading is not immediately possible, consider disabling the Estatik plugin temporarily or restricting access to the affected WordPress instance via IP whitelisting or VPN.
  4. Monitor logs: Enable detailed logging of HTTP requests and monitor for unusual cookie values or repeated access attempts targeting the plugin.
  5. Harden PHP environment: Disable PHP functions commonly used in object injection attacks (e.g., unserialize) globally or via configuration overrides if feasible.
  6. Backup and incident response: Ensure recent backups are available and prepare incident response plans to quickly remediate any compromise.
  7. Vendor communication: Stay in contact with the plugin vendor or community for official patches and advisories.

Description

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

References

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