Auth bypass in Wpengine Wpgraphql
CVE-2019-9881
The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even when 'allow comment' is disabled.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.188 (97.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.188 · newest: 0.188 · change: 0.000
Affected products
- Wpengine Wpgraphql — versions 0.2.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpvulndb.com/vulnerabilities/9282 (Third Party Advisory, Release Notes)
- packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-B… (Exploit, VDB Entry, Third Party Advisory)
- www.pentestpartners.com/security-blog/pwning-wordpress-graphql/ (Exploit, Third Party Advisory)
- github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py (Exploit, Third Party Advisory)
- github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2019-9881?
- CVE-2019-9881 is a medium-severity vulnerability in Wpengine Wpgraphql, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2019-06-10.
- How severe is CVE-2019-9881?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-9881 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.