CVE-2021-40532

CRITICAL

Telegram Web K Alpha <0.7.2 - XSS

Title source: llm
STIX 2.1

Description

Telegram Web K Alpha before 0.7.2 mishandles the characters in a document extension.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0042
EPSS Percentile 61.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
telegram/web_k_alpha < 0.7.2
Published Sep 06, 2021
Tracked Since Feb 18, 2026