CVE-2026-8496— A cross-site scripting (XSS) vulnerability in Alinto SOGo, version 5.12.7
Possible ATT&CK Techniques 3AI
T1530 · Data from Cloud Storage T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Alinto SOGo | SOGo | < 5.12.8 | affected |
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I. Basic Information for CVE-2026-8496
Vulnerability Information
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Vulnerability Title
A cross-site scripting (XSS) vulnerability in Alinto SOGo, version 5.12.7
Source: NVD (National Vulnerability Database)
Vulnerability Description
A cross-site scripting (XSS) vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS file, with an onrepeat event handler, is insufficiently sanitized before being rendered in the webmail interface. A remote attacker can execute JavaScript in the victim's browser when the malicious calendar invite is viewed. Successful exploitation may allow mailbox access, email and contact theft, session hijacking, and other actions allowed by an authenticated user.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Alinto SOGo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Alinto SOGo是Alinto开源的一个协作办公软件。 Alinto SOGo 5.12.7版本存在安全漏洞，该漏洞源于ICS日历邀请文件中SVG内容清理不足，可能导致远程攻击者在受害者浏览器中执行JavaScript，造成邮箱访问、邮件和联系人窃取、会话劫持等操作。
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 |
|---|---|---|---|---|
| Alinto SOGo | SOGo | 0 ~ 5.12.8 | - |
II. Public POCs for CVE-2026-8496
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
V. Comments for CVE-2026-8496
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