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CVE-2019-18949

HIGHCVSS 7.5/10EPSS 1.42%

Last modified

CVE-2019-18949 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. SnowHaze before 2.6.6 is sometimes too late to honor a per-site JavaScript blocking setting, which leads to unintended JavaScript execution via a chain of webpage redirections targeted to the user's browser configuration.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

SnowHaze before 2.6.6 is sometimes too late to honor a per-site JavaScript blocking setting, which leads to unintended JavaScript execution via a chain of webpage redirections targeted to the user's browser configuration.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
1.42%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SnowhazeSnowhaze< 2.6.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-18949?
SnowHaze before 2.6.6 is sometimes too late to honor a per-site JavaScript blocking setting, which leads to unintended JavaScript execution via a chain of webpage redirections targeted to the user's browser configuration.
How severe is CVE-2019-18949?
CVE-2019-18949 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18949?
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-2019-18949?

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

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Source: NVD / NIST