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CVE-2026-56006— WordPress H5P plugin <= 1.17.6 - Reflected Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
H5P H5P
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

icc0rz H5P是icc0rz个人开发者的一款支持创建互动HTML5内容的软件。 icc0rz H5P 1.17.6及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
H5P H5P n/a≤ 1.17.6 affected
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I. Basic Information for CVE-2026-56006

Vulnerability Information
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Vulnerability Title
WordPress H5P plugin <= 1.17.6 - Reflected Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: 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)
Source: CVE Program / CVE List V5
Vulnerability Title
icc0rz H5P 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
icc0rz H5P是icc0rz个人开发者的一款支持创建互动HTML5内容的软件。 icc0rz H5P 1.17.6及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
H5P H5P n/a ~ 1.17.6 -

II. Public POCs for CVE-2026-56006

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III. Intelligence Information for CVE-2026-56006

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IV. Related Vulnerabilities

Same product: H5P
Same vendor: H5P
Same weakness: CWE-79

V. Comments for CVE-2026-56006

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