CVE-2018-12246

Name: CVE-2018-12246
Creator: NVD / NIST
Published: 2018-10-22T19:29:00.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.00%

Last modified Jun 17, 2026

CVE-2018-12246 is a vulnerability of currently unknown severity. Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is susceptible to a reflected cross-site scripting (XSS) vulnerability. A remote attacker can target end users protected by WI with social engineering attacks using crafted URLs for legitimate web sites. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is susceptible to a reflected cross-site scripting (XSS) vulnerability. A remote attacker can target end users protected by WI with social engineering attacks using crafted URLs for legitimate web sites. A successful attack allows injecting malicious JavaScript code into the website's rendered copy running inside the end user's web browser. It does not allow injecting code into the real (isolated) copy of the website running on the WI Threat Isolation Engine.

Metrics

EPSS Probability

1.00%

58.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Symantec	Web Isolation	>= 1.11, < 1.11.21

References

http://www.securityfocus.com/bid/105581Third Party Advisory, VDB Entry
https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1464.htmlVendor Advisory
http://www.securityfocus.com/bid/105581Third Party Advisory, VDB Entry
https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1464.htmlVendor Advisory

Timeline

Published: Oct 22, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12246?

How severe is CVE-2018-12246?

Severity scoring for CVE-2018-12246 is pending analysis. The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12246?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12246?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST