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CVE-2023-30777— WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins <= 6.1.5 vulnerable to Cross Site Scripting (XSS)

CVSS 7.1 · High EPSS 87.32% · P99
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I. Basic Information for CVE-2023-30777

Vulnerability Information
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Vulnerability Title
WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins <= 6.1.5 vulnerable to Cross Site Scripting (XSS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins <= 6.1.5 versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress Plugin Advanced Custom Fields PRO 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin Advanced Custom Fields PRO 6.1.5及之前版本存在跨站脚本漏洞，该漏洞源于不充分的输入清理和输出转义，攻击者利用该漏洞可以在页面中注入恶意脚本。
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
WP EngineAdvanced Custom Fields Pro n/a ~ 6.1.5 -
WP EngineAdvanced Custom Fields n/a ~ 6.1.5 -

II. Public POCs for CVE-2023-30777

#POC DescriptionSource LinkShenlong Link
1Proof of Concept (PoC) URL generator for a reflected XSS vulnerability in the Advanced Custom Fields WordPress plugin.https://github.com/Alucard0x1/CVE-2023-30777POC Details
2Advanced Custom Fields beofre 6.1.6 is susceptible to cross-site scripting via the post_status parameter due to insufficient input sanitization and output escaping. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-30777.yamlPOC Details
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III. Intelligence Information for CVE-2023-30777

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IV. Related Vulnerabilities

Same product: Advanced Custom Fields Pro
Same vendor: WP Engine
Same weakness: CWE-79

V. Comments for CVE-2023-30777

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