Description (CNA)
FairEmail is a fully featured, open source, privacy-friendly email app for Android. Prior to 1.2319, the ActivityAMP AMP message renderer in app/src/main/java/eu/faircode/email/ActivityAMP.java enables JavaScript in its WebView but incompletely sanitizes untrusted message HTML. For non-allowlisted hosts, script.removeAttr("src") leaves inline script elements in the document and does not reject event-handler attributes or javascript: URLs on other elements. A crafted AMP email can execute arbitrary JavaScript when a recipient opens the message and enables the AMP toggle. The script can read the message DOM, exfiltrate message data, and display phishing overlays within the message-body area. Exploitation requires the recipient to enable the AMP toggle, and practical exposure is reduced because AMP email is uncommon. This issue is fixed in version 1.2319.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| M66B / FairEmail | affected < 1.2319 |
CWE
CWE-79
References
- https://github.com/M66B/FairEmail/security/advisories/GHSA-r8ff-qr7g-pvw6
- https://github.com/M66B/FairEmail/commit/fb37bbfabf5e75d08f0cfa6ce9b84469d62a20a0
- https://github.com/M66B/FairEmail/releases/tag/1.2319
ADP enrichment
No English description supplied.
No references supplied.