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CVE-2026-86442— WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR

Quick assessment

Affected
Unknown WP Event Manager
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.

WP Event Manager WordPress 插件在 3.4.2 版本之前，在其前端活动提交流程中未对用户提供的帖子标识符进行所有权或帖子类型的验证。这使得未经身份验证的攻击者能够读取并覆盖任意未发布帖子和页面的内容，并将它们转换为活动。

AI Predicted 8.1 Difficulty: Easy EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown WP Event Manager 3.4.0< 3.4.2 affected
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I. Basic Information for CVE-2026-86442

Vulnerability Information
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Vulnerability Title
WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Event Manager WordPress plugin before 3.4.2 does not verify the ownership or the post type of a user supplied post identifier in its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.
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 WP Event Manager 3.4.0 ~ 3.4.2 -

II. Public POCs for CVE-2026-86442

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III. Intelligence Information for CVE-2026-86442

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Other References for CVE-2026-86442 (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-2026-86795 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-2026-90964 Essential Real Estate < 5.3.5 - Unauthenticated Arbitrary Email Sending
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: WP Event Manager
Same vendor: Unknown