PT-2025-52760 · Undefined · Undefined

Published

2025-12-23

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Updated

2025-12-23

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CVE-2025-68673

None

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Hackers Exploit List-Unsubscribe Header for XSS and SSRF Attacks
The List-Unsubscribe SMTP header can be exploited for XSS and SSRF attacks if not properly validated. Examples include Horde Webmail (CVE-2025-68673) allowing JavaScript URIs and Nextcloud Mail risking SSRF. Proper validation, sanitization, and logging are essential for security.
Discover the app: https://t.co/64Pz1q6KZ5
#CyberSecurity #ApplicationSecurity #WebSecurity #OWASP #VulnerabilityManagement #XSS #SSRF #EmailSecurity #CloudSecurity #CyberAttack #Secwiser

Related Identifiers

CVE-2025-68673

Affected Products

Undefined