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CVE-2026-32757— Admidio: HTMLPurifier Bypass in eCard Message Allows HTML Email Injection

Quick assessment

Affected
Admidio admidio
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.

Admidio是Admidio团队的一套开源的成员管理系统。该系统支持成员列表、事件管理、留言簿、相册和下载等功能。 Admidio 5.0.6及之前版本存在跨站脚本漏洞，该漏洞源于eCard发送处理程序使用原始POST值，可能导致任意HTML和JavaScript注入。

CVSS 5.4 · Medium EPSS 0.26% · P16
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I. Basic Information for CVE-2026-32757

Vulnerability Information
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Vulnerability Title
Admidio: HTMLPurifier Bypass in eCard Message Allows HTML Email Injection
Source: CVE Program / CVE List V5
Vulnerability Description
Admidio is an open-source user management solution. In versions 5.0.6 and below, the eCard send handler uses a raw $_POST['ecard_message'] value instead of the HTMLPurifier-sanitized $formValues['ecard_message'] when constructing the greeting card HTML. This allows an authenticated attacker to inject arbitrary HTML and JavaScript into greeting card emails sent to other members, bypassing the server-side HTMLPurifier sanitization that is properly applied to the ecard_message field during form validation. An attack can result in any member or role receiving phishing content that appears legitimate, crossing from the web application into recipients' email clients. This issue has been fixed in version 5.0.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
Admidio 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Admidio是Admidio团队的一套开源的成员管理系统。该系统支持成员列表、事件管理、留言簿、相册和下载等功能。 Admidio 5.0.6及之前版本存在跨站脚本漏洞，该漏洞源于eCard发送处理程序使用原始POST值，可能导致任意HTML和JavaScript注入。
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
Admidio admidio < 5.0.7 -

II. Public POCs for CVE-2026-32757

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III. Intelligence Information for CVE-2026-32757

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Vendor Advisories for CVE-2026-32757 (1)

Vendor Pages for CVE-2026-32757 (1)

Same Patch Batch · Admidio · 2026-03-19 · 5 CVEs total

CVE-2026-32756 8.8 HIGH Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Mo
CVE-2026-32818 6.5 MEDIUM Admidio is Missing Authorization on Forum Topic and Post Deletion
CVE-2026-32755 5.7 MEDIUM Admidio is Missing CSRF Protection on Role Membership Date Changes
CVE-2026-32816 5.7 MEDIUM Admidio has Missing CSRF Validation on Role Delete, Activate, and Deactivate Actions

IV. Related Vulnerabilities

Same product: admidio
Same vendor: Admidio
Same weakness: CWE-79

V. Comments for CVE-2026-32757

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