CVE-2019-9787
CVSS v3
8.8
HIGH
EPSS Score
85.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
WordPress before 5.1.1 does not properly filter comment content, leading to Remote Code Execution by unauthenticated users in a default configuration. This occurs because CSRF protection is mishandled, and because Search Engine Optimization of A elements is performed incorrectly, leading to XSS. The XSS results in administrative access, which allows arbitrary changes to .php files. This is related to wp-admin/includes/ajax-actions.php and wp-includes/comment.php.
Technical details
- Published
- 2019-03-14
Frequently asked questions
What is CVE-2019-9787?
WordPress before 5.1.1 does not properly filter comment content, leading to Remote Code Execution by unauthenticated users in a default configuration. This occurs because CSRF protection is mishandled, and because Search Engine Optimization of A elements is performed incorrectly, leading to XSS. The XSS results in administrative access, which allows arbitrary changes to .php files. This is related to wp-admin/includes/ajax-actions.php and wp-includes/comment.php.
Is CVE-2019-9787 actively exploited?
Active exploitation of CVE-2019-9787 has not been confirmed. The EPSS score is 85.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-9787?
CVE-2019-9787 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-9787 affecting your environment?
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