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CVE-2026-57321— WordPress H5P plugin <= 1.17.7 - Arbitrary File Deletion vulnerability

Quick assessment

Affected
icc0rz 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 1.17.7及之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，可能导致贡献者任意删除文件。

CVSS 7.1 · High EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1485 · Data Destruction

Affected Version Matrix 1

VendorProduct Version RangeStatus
icc0rz H5P n/a≤ 1.17.7 affected
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I. Basic Information for CVE-2026-57321

Vulnerability Information
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Vulnerability Title
WordPress H5P plugin <= 1.17.7 - Arbitrary File Deletion vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor Arbitrary File Deletion in H5P <= 1.17.7 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
icc0rz H5P 路径遍历漏洞
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 1.17.7及之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，可能导致贡献者任意删除文件。
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
icc0rz H5P n/a ~ 1.17.7 -

II. Public POCs for CVE-2026-57321

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III. Intelligence Information for CVE-2026-57321

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Patches & Fixes for CVE-2026-57321 (1)

IV. Related Vulnerabilities

Same product: H5P
Same vendor: icc0rz
Same weakness: CWE-22

V. Comments for CVE-2026-57321

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