CVE-2015-8834

Description

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.2 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-3440.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Vendor Advisory debian.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wordpress.org/news/2015/05/wordpress-4-2-2/ patch vendor advisory
https://codex.wordpress.org/Version_4.2.2 patch
http://www.debian.org/security/2016/dsa-3639 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-8834?
CVE-2015-8834 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8834?
To fix CVE-2015-8834, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8834 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8834 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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