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CVE-2026-88912— rtMedia for WordPress, BuddyPress and bbPress < 4.7.12 - Subscriber+ Arbitrary Activity Privacy Modification via IDOR

Quick assessment

Affected
Unknown rtMedia for WordPress, BuddyPress and bbPress
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.

WordPress 插件 rtMedia for WordPress, BuddyPress and bbPress 在 4.7.12 之前版本中，在修改活动（activity）及其附带媒体的隐私级别时，未先检查所有权（ownership），仅依赖于每个登录用户共享的非ce（nonce），使得拥有 订阅者级别或更高权限的用户可以将其他用户的私人活动设为公开，或将其隐藏。

AI Predicted 4.2 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-88912

Vulnerability Information
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Vulnerability Title
rtMedia for WordPress, BuddyPress and bbPress < 4.7.12 - Subscriber+ Arbitrary Activity Privacy Modification via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The rtMedia for WordPress, BuddyPress and bbPress WordPress plugin before 4.7.12 does not check ownership before changing the privacy level of an activity and its attached media, relying only on a nonce shared with every logged-in user, allowing users with a subscriber-level account or above to make another user's private activity public or hide it.
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 rtMedia for WordPress, BuddyPress and bbPress 0 ~ 4.7.12 -

II. Public POCs for CVE-2026-88912

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III. Intelligence Information for CVE-2026-88912

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Proof of Concept for CVE-2026-88912 (1)

Same Patch Batch · Unknown · 2026-09-13 · 9 CVEs total

CVE-2026-89080 Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demot
CVE-2026-86407 User Registration & Membership < 5.2.8 - Unauthenticated User Data Disclosure via Membersh
CVE-2026-88764 Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard su
CVE-2026-88995 Bookit < 2.6.0.1 - Unauthenticated Appointment PII Disclosure via Availability Check
CVE-2026-77773 Social Contact Form (FormyChat) < 2.15.8 - Unauthenticated Gravity Forms Entry Disclosure
CVE-2026-86406 User Registration & Membership < 5.2.8 - Subscriber+ Privilege Escalation via Membership P
CVE-2026-80071 User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
CVE-2026-80072 User Registration & Membership < 5.2.8 - Unauthenticated Open Redirect via Login Redirect

IV. Related Vulnerabilities

Same product: rtMedia for WordPress, BuddyPress and bbPress
Same vendor: Unknown

V. Comments for CVE-2026-88912

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