Cross-Site Request Forgery Vulnerability in Zechat by Bylancer
CVE-2018-25334

5.3MEDIUM

Key Information:

Vendor

Bylancer

Status
Zechat
Vendor
CVE Published:
17 May 2026

Badges

👾 Exploit Exists

What is CVE-2018-25334?

Zechat 1.5 has a vulnerability that allows attackers to exploit the application's CSRF protections by leveraging the hashtag parameter. By injecting an encoded payload, attackers can bypass the CSRF token mechanism, enabling them to make unauthorized changes to user information. This vulnerability can be exploited through social engineering techniques, such as tricking a user into submitting a malicious form or utilizing a script to manipulate the CSRF token.

Affected Version(s)

Zechat 1.5

References

https://www.exploit-db.com/exploits/44685
exploit
https://bylancer.com
product
https://www.vulncheck.com/advisories/zechat-cross-site-re...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Borna nematzadeh (L0RD) or borna.nematzadeh123@gmail.com
.