CVE-2023-52199

WordPress ActivityPub plugin <= 1.0.5 - Unauthenticated Broken Access Control vulnerability

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Missing Authorization vulnerability in Matthias Pfefferle & Automattic ActivityPub.This issue affects ActivityPub: from n/a through 1.0.5.

Vulnerabilidad de autorización faltante en Matthias Pfefferle y Automattic ActivityPub. Este problema afecta a ActivityPub: desde n/a hasta 1.0.5.

The ActivityPub plugin for WordPress is vulnerable to unauthorized access of data due to a unsufficient authorization checks on two REST routes in versions up to, and including, 1.0.5. This makes it possible for unauthenticated attackers to call those endpoints.

*Credits: Rafie Muhammad (Patchstack)

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-12-29 CVE Reserved
2024-01-05 CVE Published
2024-08-14 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-862: Missing Authorization

CAPEC

References (1)

URL	Tag	Source
https://patchstack.com/database/vulnerability/activitypub/wordpress-activitypub-plugin-1-0-5-unauthenticated-broken-access-control-vulnerability?_s_id=cve	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Activitypub Search vendor "Activitypub"		Activitypub Search vendor "Activitypub" for product "Activitypub"				>= 0.0.0 <= 1.0.5 Search vendor "Activitypub" for product "Activitypub" and version " >= 0.0.0 <= 1.0.5"		en		Affected