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Vulnerability record · CVE-2014-6392 · published 15 September 2014

CVE-2014-6392: Facebook cross-site scripting vulnerability

Facebook · Facebook

Cross-site scripting (XSS) vulnerability in the Facebook app 14.0 and the Facebook Messenger app 10.0 for iOS allows remote attackers to inject arbitrary web script or HTML via a crafted filename extension that is improperly handled during MIME sniffing of chat traffic. NOTE: the vendor disputes the significance of this report, because the user must accept an interstitial warning before the HTML file content is rendered, and because the HTML content's origin is a sandbox domain

4.3 CVSS 2.0 Medium EPSS 0.94% · top 40.6% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in the Facebook app 14.0 and the Facebook Messenger app 10.0 for iOS allows remote attackers to inject arbitrary web script or HTML via a crafted filename extension that is improperly handled during MIME sniffing of chat traffic. NOTE: the vendor disputes the significance of this report, because the user must accept an interstitial warning before the HTML file content is rendered, and because the HTML content's origin is a sandbox domain

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2014/Sep/13
http://seclists.org/fulldisclosure/2014/Sep/13

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Source: NIST National Vulnerability Database (record CVE-2014-6392), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.