Permissions, Privileges, and Access Controls in WPGraphQL - CVE-2019-9881
Published: June 13, 2019 / Updated: June 18, 2019
Vulnerability identifier: #VU18794
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-9881
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the "createComment" mutation does not check for privileges when allowing to post comments to articles. A remote attacker can post comments on any article, even when 'allow comment' is disabled.
Affected software
WPGraphQL
How to mitigate CVE-2019-9881
Install updates from vendor's website.
WPGraphQL - update to 0.3.0