ACF to REST API <= 3.2.0 - Insecure direct object reference via permalinks manipulation

2020-05-29 00:00

Mariusz Poplawski

Strategic Overview

Status

Patched in 3.3.0

Affected PluginACF to REST API

Affected Version<= 3.2.0

CVSS7.5High

CVECVE-2020-13700

View all ACF to REST API vulnerabilities

Vulnerability Overview

An issue was discovered in the acf-to-rest-api plugin through 3.1.0 for WordPress. It allows an insecure direct object reference via permalinks manipulation, as demonstrated by a wp-json/acf/v3/options/ request that reads sensitive information in the wp_options table, such as the login and pass values. Issue was finally patched in 3.3.0

Technical Analysis

REMEDIATION: Update to version 3.3.0, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2020-13700 https://www.wordfence.com/threat-intel/vulnerabilities/id/738e5946-65e4-4403-bb23-f84910289a45

CVSS Vector

7.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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