CVE-2026-40732 HIGH

CVE-2026-40732: WordPress Notification for Telegram plugin <= 3.5 - Cross Site Scripting (XSS) vulnerability

Vendor Rainafarai

Product Notification for Telegram

Weakness CWE-79 · XSS

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in Notification for Telegram <= 3.5 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Notification for Telegram plugin contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects versions up to 3.5.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session cookies, credentials, or perform actions on their behalf.

Potential impact on your site

04Site Impact

Site users visiting malicious links could have their accounts compromised or be redirected to phishing pages; your site's reputation may be damaged.

Conditions required to exploit

05Prerequisites

A site user must visit a malicious link or page crafted by the attacker; no authentication or special privileges required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-40732 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities