JSON GET Request Cache Poisoning in WordPress by Automattic
CVE-2019-17673

7.5HIGH

Key Information:

Vendor

Wordpress
Status
WordPress
Vendor
CVE Published:
17 October 2019

What is CVE-2019-17673?

WordPress prior to version 5.2.4 is susceptible to a cache poisoning attack affecting JSON GET requests. This vulnerability arises because certain requests do not include the Vary: Origin header, allowing potential attackers to manipulate the cache and serve malicious content. It is crucial for users and administrators to update to the latest version to mitigate this risk.

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References

https://wpvulndb.com/vulnerabilities/9911
x_refsource_MISC
https://blog.wpscan.org/wordpress/security/release/2019/1...
x_refsource_MISC
https://wordpress.org/news/2019/10/wordpress-5-2-4-securi...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.