Cross-site scripting in Mozilla Firefox - CVE-2018-5158

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Main Vulnerability Database Vulnerabilities #VU12535

Cross-site scripting in Mozilla Firefox - CVE-2018-5158

Published: May 10, 2018 / Updated: May 10, 2018


Vulnerability identifier: #VU12535
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2018-5158
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the PDF viewer does not sufficiently sanitize PostScript calculator functions. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks


Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux
Debian Linux
Arch Linux
Red Hat Enterprise Linux for Power
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Siebel Industry - Life Sciences

How to mitigate CVE-2018-5158

Update to version 60.0.


External References

Related Security Bulletins