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CVE-2026-7620— Notification for Telegram <= 3.5.1 - Missing Authorization to Authenticated (Subscriber+) Cron Modification via nftb_cron_action_set AJAX Action

Quick assessment

Affected
rainafarai Notification for Telegram
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 Notification for Telegram是WordPress基金会的一款Telegram消息通知插件。 WordPress Notification for Telegram 3.5.1及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户授权，可能导致经过身份验证的攻击者创建、修改或重新调度WordPress cron事件。

CVSS 4.3 · Medium EPSS 0.47% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
rainafarai Notification for Telegram ≤ 3.5.1 affected
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I. Basic Information for CVE-2026-7620

Vulnerability Information
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Vulnerability Title
Notification for Telegram <= 3.5.1 - Missing Authorization to Authenticated (Subscriber+) Cron Modification via nftb_cron_action_set AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The Notification for Telegram plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.5.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to create, modify, or reschedule the nftb_cron_hook WordPress cron event, enabling unauthorized manipulation of the plugin's background task scheduling logic.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Notification for Telegram 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Notification for Telegram是WordPress基金会的一款Telegram消息通知插件。 WordPress Notification for Telegram 3.5.1及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户授权，可能导致经过身份验证的攻击者创建、修改或重新调度WordPress cron事件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rainafarai Notification for Telegram 0 ~ 3.5.1 -

II. Public POCs for CVE-2026-7620

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III. Intelligence Information for CVE-2026-7620

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Patches & Fixes for CVE-2026-7620 (3)

News Coverage for CVE-2026-7620 (1)

Other References for CVE-2026-7620 (1)

IV. Related Vulnerabilities

Same product: Notification for Telegram
Same vendor: rainafarai
Same weakness: CWE-862

V. Comments for CVE-2026-7620

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