Vulnerability Monitor

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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.

Published

2019-03-14T16:29:00.337

Last Modified

2024-11-21T04:52:18.487

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-352

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wordpress	wordpress	< 5.1.1	Yes

References

http://www.securityfocus.com/bid/107411 Third Party Advisory, VDB Entry ([email protected])
https://blog.ripstech.com/2019/wordpress-csrf-to-rce/ Exploit, Third Party Advisory ([email protected])
https://github.com/WordPress/WordPress/commit/0292de60ec78c5a44956765189403654fe4d080b Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html ([email protected])
https://wordpress.org/news/2019/03/wordpress-5-1-1-security-and-maintenance-release/ Release Notes, Vendor Advisory ([email protected])
https://wordpress.org/support/wordpress-version/version-5-1-1/ Release Notes, Vendor Advisory ([email protected])
https://wpvulndb.com/vulnerabilities/9230 ([email protected])
https://www.debian.org/security/2020/dsa-4677 ([email protected])
http://www.securityfocus.com/bid/107411 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://blog.ripstech.com/2019/wordpress-csrf-to-rce/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/WordPress/WordPress/commit/0292de60ec78c5a44956765189403654fe4d080b Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html (af854a3a-2127-422b-91ae-364da2661108)
https://wordpress.org/news/2019/03/wordpress-5-1-1-security-and-maintenance-release/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wordpress.org/support/wordpress-version/version-5-1-1/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wpvulndb.com/vulnerabilities/9230 (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4677 (af854a3a-2127-422b-91ae-364da2661108)