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CVE-2018-25334— Zechat 1.5 Cross-Site Request Forgery (CSRF) via hashtag parameter

CVSS 5.4 · Medium EPSS 0.01% · P3

Affected Version Matrix 1

VendorProductVersion RangeStatus
BylancerZechat1.5affected
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I. Basic Information for CVE-2018-25334

Vulnerability Information
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Vulnerability Title
Zechat 1.5 Cross-Site Request Forgery (CSRF) via hashtag parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
Zechat 1.5 contains a Cross-Site Request Forgery (CSRF) vulnerability that allows an attacker to change a user's information by bypassing anti-CSRF protections. The application uses a CSRF token, but an attacker can use the hashtag parameter to inject an encoded payload and bypass the CSRF protection, allowing for unauthorized changes to user data. This can be exploited by tricking a user into submitting a crafted form or by using a script to obtain and set the CSRF token.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bylancer Zechat 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bylancer Zechat是Bylancer公司的一个支持实时消息、群组聊天与社交互动的PHP即时通讯系统。 Bylancer Zechat 1.5版本存在跨站请求伪造漏洞，该漏洞源于跨站请求伪造，可能导致攻击者通过绕过反CSRF保护更改用户信息。
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

VendorProductAffected VersionsCPESubscribe
BylancerZechat 1.5 -

II. Public POCs for CVE-2018-25334

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III. Intelligence Information for CVE-2018-25334

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Same Patch Batch · Bylancer · 2026-05-17 · 3 CVEs total

CVE-2018-253388.2 HIGHZechat 1.5 SQL Injection via hashtag parameter
CVE-2018-253398.2 HIGHZechat 1.5 SQL Injection via v parameter (time-based blind)

IV. Related Vulnerabilities

Same product: Zechat
Same vendor: Bylancer
Same weakness: CWE-352

V. Comments for CVE-2018-25334

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