UserPro <= 4.9.17 - Authentication Bypass

2017-11-10 00:00

Iain Hadgraft

Strategic Overview

Status

Patched in 4.9.17.1

Affected PluginUserPro - Community and User Profile WordPress Plugin

Affected Version< 4.9.17.1

CVSS9.8Critical

CVECVE-2017-16562

View all UserPro - Community and User Profile WordPress Plugin vulnerabilities

Vulnerability Overview

The UserPro plugin before 4.9.17.1 for WordPress, when used on a site with the "admin" username, allows remote attackers to bypass authentication and obtain administrative access via a "true" value for the up_auto_log parameter in the QUERY_STRING to the default URI.

Technical Analysis

REMEDIATION: Update to version 4.9.17.1, or a newer patched version --- IDENTIFIER: CWE-287 (Improper Authentication) When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

External References

https://www.cve.org/CVERecord?id=CVE-2017-16562 https://www.wordfence.com/threat-intel/vulnerabilities/id/51957ee1-a423-485b-8cfd-8eafaf6744e4

CVSS Vector

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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