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CVE-2026-55230— Vvveb: Stored XSS in Vvveb via sanitizeHTML() filter bypass using a quoted greater-than character

一分钟漏洞结论

影响对象
givanz Vvveb
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.6, Vvveb's HTML sanitizer fails to strip event-handler attributes when a tag carries a greater-than character inside a quoted attribu

CVSS 8.7 · High
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一、 漏洞 CVE-2026-55230 基础信息

漏洞信息

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Vulnerability Title
Vvveb: Stored XSS in Vvveb via sanitizeHTML() filter bypass using a quoted greater-than character
来源: CVE Program / CVE List V5
Vulnerability Description
Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.6, Vvveb's HTML sanitizer fails to strip event-handler attributes when a tag carries a greater-than character inside a quoted attribute value. A low-privilege content author (default role author or contributor) can store a payload in post or product content that runs JavaScript in a browser of every visitor and of any administrator who views or previews that content, which opens a path to admin account takeover. This issue has been patched in version 1.0.8.6.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
givanz Vvveb < 1.0.8.6 -

二、漏洞 CVE-2026-55230 的公开POC

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三、漏洞 CVE-2026-55230 的情报信息

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CVE-2026-55230 其他参考 (2)

同批安全公告 · givanz · 2026-10-01 · 共 3 条

CVE-2026-55232 7.6 HIGH Vvveb: Server-side request forgery in Vvveb via IPv6 bypass of validateUrl() in editor oEm
CVE-2026-55231 7.2 HIGH Vvveb: Path traversal in Vvveb via sanitizeFileName() bypass enables arbitrary file read a

IV. Related Vulnerabilities

Same product: Vvveb
Same vendor: givanz
Same weakness: CWE-79

V. Comments for CVE-2026-55230

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