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CVE-2026-90964— Essential Real Estate < 5.3.5 - Unauthenticated Arbitrary Email Sending

Quick assessment

Affected
Unknown Essential Real Estate
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 5.3.5 版本之前的 Essential Real Estate WordPress 插件未对其某个联系邮件操作中的收件人进行限制，导致未认证用户能够通过该网站向任意地址发送邮件，且发件人头部和邮件正文均由攻击者控制。

AI Predicted 6.5 Difficulty: Easy EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Essential Real Estate < 5.3.5 affected
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I. Basic Information for CVE-2026-90964

Vulnerability Information
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Vulnerability Title
Essential Real Estate < 5.3.5 - Unauthenticated Arbitrary Email Sending
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Essential Real Estate 0 ~ 5.3.5 -

II. Public POCs for CVE-2026-90964

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-90964

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Other References for CVE-2026-90964 (1)

Same Patch Batch · Unknown · 2026-11-05 · 29 CVEs total

CVE-2026-107776 2.2 LOW Dokan < 5.3.3 - Vendor+ Reverse Withdrawal Ledger Credit Without Payment via Discount Coup
CVE-2025-15701 Easy Social Icons < 4.0.3 - Admin+ Stored XSS via Icon Color Settings
CVE-2026-16304 WP Event Manager < 3.4.2 - Subscriber+ Arbitrary Post Takeover via event_organizer_ids
CVE-2026-85347 FV Player < 7.5.56.7212 - Contributor+ Stored XSS via Text Lightbox Caption
CVE-2026-85351 FV Player < 7.5.56.7212 - Contributor+ SSRF via Media Library Import
CVE-2026-85346 FV Player < 7.5.56.7212 - Subscriber+ Cloud Storage File Disclosure via Media Browser Hand
CVE-2026-19256 All In One Login 2.4.0 - 2.4.1 - Unauthenticated Account Takeover via Email OTP Brute Forc
CVE-2026-86442 WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR
CVE-2026-86795 Community Events < 1.6.0 - Unauthenticated Pending Events Disclosure via ajax_admin_event_
CVE-2026-85570 Tutor LMS 1.6.4 - 4.1.3 - Subscriber+ Quiz Answer Key Disclosure
CVE-2026-87856 Subscriptions for WooCommerce 2.0.0 - 2.1.0 - Unauthenticated Membership Content Restricti
CVE-2026-88814 YITH WooCommerce Gift Cards < 4.38.1 - Unauthenticated Gift Card Balance Double-Spending v
CVE-2026-90966 Essential Real Estate < 5.3.5 - Customer+ Arbitrary Paid Package Activation and Forged Pai
CVE-2026-90965 Essential Real Estate < 5.3.5 - Unauthenticated Unpublished Listing Image Disclosure
CVE-2026-90963 Essential Real Estate < 5.3.5 - Unauthenticated Unpublished Property Listing and Agent Con
CVE-2025-15702 Cloud Blocks <= 1.1.8 - Unauthenticated Stored XSS
CVE-2026-91049 EWWW Image Optimizer 8.7.4 - 8.9.0 - Author+ Stored XSS via 'data-script' Lazy Load Attrib
CVE-2026-90967 Essential Real Estate < 5.3.5 - Customer+ Invoice PII Disclosure via IDOR
CVE-2026-100144 IVPAY payments <= 1.0.8 - Unauthenticated SQLi via 'payment_id' Parameter
CVE-2026-107775 Dokan < 5.3.3 - Admin+ Cross-Site Vendor Activation

Showing top 20 of 29 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Essential Real Estate
Same vendor: Unknown