Authentication Bypass in WPGraphQL Plugin for WordPress
CVE-2019-9881

5.3MEDIUM

Key Information:

Vendor

Wordpress
Status
WPgraphql
Vendor
CVE Published:
10 June 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 31%

What is CVE-2019-9881?

The WPGraphQL plugin version 0.2.3 for WordPress features a flaw in the createComment mutation that allows unauthenticated users to post comments on any article, disregarding the 'allow comments' setting. This vulnerability exposes sites to potential abuse, enabling unwanted comments and possibly leading to spam or misinformation. Website owners using this version should consider updating to a secure release to mitigate the risk associated with this issue.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-9881 - Proof of Concept

References

https://wpvulndb.com/vulnerabilities/9282
x_refsource_MISC
http://packetstormsecurity.com/files/153025/WordPress-WPG...
x_refsource_MISC
https://www.pentestpartners.com/security-blog/pwning-word...
x_refsource_MISC

EPSS Score

31% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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