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CVE-2026-110070— Modern Events Calendar Lite < 7.36.4 - Subscriber+ Arbitrary Post Modification via IDOR

Quick assessment

Affected
Unknown Modern Events Calendar Lite
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.

在版本 7.36.4 之前，Modern Events Calendar Lite WordPress 插件在更新目标文章前未验证用户是否拥有编辑权限，导致拥有“订阅者（Subscriber）”角色的已认证用户可以修改由其他用户创建的任意文章、页面及自定义文章类型的标题、内容和摘要。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-110070

Vulnerability Information
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Vulnerability Title
Modern Events Calendar Lite < 7.36.4 - Subscriber+ Arbitrary Post Modification via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Modern Events Calendar Lite WordPress plugin before 7.36.4 does not verify that a user is authorized to edit the target post before updating it, allowing authenticated users with the Subscriber role to modify the title, content, and excerpt of arbitrary posts, pages, and custom post types created by other users.
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 Modern Events Calendar Lite 0 ~ 7.36.4 -

II. Public POCs for CVE-2026-110070

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III. Intelligence Information for CVE-2026-110070

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Same Patch Batch · Unknown · 2026-10-18 · 13 CVEs total

CVE-2026-111041 AI Engine < 3.7.9 - Editor+ Arbitrary Post Modification via update_media_metadata and appr
CVE-2026-96534 Modern Events Calendar (Lite & Pro) < 7.37.0 - Subscriber+ SQLi via mec_fes_csv_export
CVE-2026-110976 AI Engine < 3.7.9 - Editor+ Arbitrary Post Deletion via reject_media
CVE-2026-110981 WP Photo Album Plus < 9.2.11.002 - Reflected XSS via 'wppa-cat' Parameter
CVE-2026-110035 Salon Booking System < 10.31.11 - Subscriber+ Coupon Code Disclosure via Discounts REST Ro
CVE-2026-110069 Modern Events Calendar Lite < 7.37.0 - Subscriber+ Sensitive Data Disclosure via mec_event
CVE-2026-110033 Salon Booking System < 10.31.11 - Salon Staff+ Stored XSS and SSRF via Salon REST 'image_u
CVE-2026-87844 Product Designer <= 1.0.40 - Unauthenticated Design Template Data Injection
CVE-2026-109937 Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block
CVE-2026-110026 Tasty Recipes Lite 1.2 - 1.2.10 - Contributor+ Taxonomy Term Creation, Renaming and Deleti
CVE-2026-110032 Salon Booking System < 10.31.11 - Salon Staff+ Administrator Role Demotion via Customer Ed
CVE-2026-110031 Salon Booking System 10.17 - 10.31.10 - Salon Staff+ Privilege Escalation to Administrator

IV. Related Vulnerabilities

Same product: Modern Events Calendar Lite
Same vendor: Unknown

V. Comments for CVE-2026-110070

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