CVE-2018-20423 — HIGH (8.1)

Vulnerability Description

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass a "disabled registration" setting by adding a non-existing wxopenid value to the plugin.php ac=wxregister query string.

CVSS Score

8.1

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Comsenz	Discuzx	x3.4

References

https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUIExploitIssue TrackingThird Party Advisory
https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUIExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2018-20423?

CVE-2018-20423 is a vulnerability with a CVSS score of 8.1 (HIGH). Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass a "disabled registration" setting by adding a non-existing wxopenid value to the plugin.php ac=wxregister query str...

How severe is CVE-2018-20423?

CVE-2018-20423 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20423?

Check the references section above for vendor advisories and patch information. Affected products include: Comsenz Discuzx.