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CVE Vulnerability Details :
CVE-2026-44961
PUBLISHED
More InfoOfficial Page
Assigner-hackerone
Assigner Org ID-36234546-b8fa-4601-9d6f-f4e334aa8ea1
View Known Exploited Vulnerability (KEV) details
Published At-23 Jun, 2026 | 16:14
Updated At-23 Jun, 2026 | 17:44
Rejected At-
▼CVE Numbering Authority (CNA)

The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.

Affected Products
Vendor
Revive
Product
Adserver
Default Status
unaffected
Versions
Affected
  • From 0 through 6.0.6 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287 Improper Authentication - Generic
Type: CWE
CWE ID: CWE-287
Description: CWE-287 Improper Authentication - Generic
Metrics
VersionBase scoreBase severityVector
3.00.0NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Version: 3.0
Base score: 0.0
Base severity: NONE
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
barcrange (3l4)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://hackerone.com/reports/3680090
N/A
Hyperlink: https://hackerone.com/reports/3680090
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found