PT-2026-41560 · Zechat · Zechat

Published 2026-05-17 · Updated 2026-05-17 · CVE-2018-25334

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Zechat version 1.5

Description Cross-Site Request Forgery (CSRF) allows an attacker to modify user information by bypassing anti-CSRF protections. Although the application implements a CSRF token, an attacker can inject an encoded payload via the hashtag parameter to circumvent this protection. This is achieved by tricking a user into submitting a crafted form or utilizing a script to obtain and set the CSRF token.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2018-25334

Affected Products

Zechat

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2018-25334 · Security Note
• https://t.me/CVEtracker/54059 · Telegram Post
• https://bylancer.com · Note
• https://exploit-db.com/exploits/44685 · Note
• https://vulncheck.com/advisories/zechat-cross-site-request-forgery-csrf-via-hashtag-parameter · Note