Read the docs
TI-2026-85359 Aliases CVE-2026-90964GHSA-vg34-wjj2-chfw

Unauthenticated arbitrary email sending in Essential Real Estate plugin

Priority LOW 29CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

The Essential Real Estate WordPress plugin before 5.3.5 does not restrict the recipient of one of its contact email actions, which is an improper access control flaw (CWE-284). An unauthenticated attacker can send emails to arbitrary addresses with an attacker-controlled sender header and message body through the site. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

The Essential Real Estate WordPress plugin before 5.3.5 does not restrict the recipient of one of its contact email actions, allowing unauthenticated users to send emails to arbitrary addresses with an attacker-controlled sender header and message body through the site.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Essential Real Estate (Unknown): 5.3.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownEssential Real Estatebefore 5.3.55.3.5Patch availableCNA
  • Essential Real Estate VendorUnknown Affected before 5.3.5 Fixed in 5.3.5 Patch available CNA

Remediation

Update Essential Real Estate to version 5.3.5 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Essential Real Estate (Unknown) Fixed in 5.3.5

Fixed in the same release

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

  • Release ·

    Essential Real Estate 5.3.5

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-85360 Essential Real Estate plugin exposes unpublished listing imagesPriority LOW 29
    • TI-2026-85358 Essential Real Estate plugin exposes unpublished property listingsPriority LOW 29
    • TI-2026-85362 Essential Real Estate plugin exposes other users' invoicesPriority LOW 19
    Show all 5 records →

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-90964
  2. 2026-11-05 Alias added: GHSA-vg34-wjj2-chfw
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 Weakness changed · CISA ADP
  5. 2026-11-06 CISA SSVC decision points changed

References

Exploit 1

Sources

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