Bypass Vulnerability in XML-RPC API for Affected WordPress Plugin
CVE-2026-50741

8.8HIGH

Key Information:

Vendor

Revive

Status
Adserver
Vendor
CVE Published:
26 June 2026

What is CVE-2026-50741?

This vulnerability allows an attacker to bypass the existing fix for a related security issue by submitting a disallowed yet valid plugin identifier through the 'type' parameter or by utilizing the 'ox.setChannelTargeting' method of the XML-RPC API. This bypass can potentially allow unauthorized actions within the WordPress ecosystem, emphasizing the need for heightened security measures and monitoring in plugin implementations.

Affected Version(s)

Adserver 0 <= 6.0.7

References

https://hackerone.com/reports/3780854
https://hackerone.com/reports/3781492

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rio Darmawan (riodrwn)
Mikhail Ilin (doomtech)
.