CVE-2019-17673

Description

WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 4.88% Top 15%

Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org

Affected: n/a n/a

References

Link	Tags
https://wpvulndb.com/vulnerabilities/9911	third party advisory
https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html	third party advisory
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/	release notes vendor advisory
https://core.trac.wordpress.org/changeset/46478	patch vendor advisory
https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de	third party advisory patch
https://seclists.org/bugtraq/2020/Jan/8	third party advisory mailing list
https://www.debian.org/security/2020/dsa-4599	third party advisory vendor advisory
https://www.debian.org/security/2020/dsa-4677	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-17673?: CVE-2019-17673 has been scored as a high severity vulnerability.
How to fix CVE-2019-17673?: To fix CVE-2019-17673, 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-2019-17673 being actively exploited in the wild?: It is possible that CVE-2019-17673 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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