How to fix CVE-2025-4133?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Blog2Social affected by CVE-2025-4133?

Organizations using Scheduler WordPress should be aware of moderate risk from CVE-2025-4133, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-4133

MEDIUM

2025-05-22 [email protected]

WordPress XSS Blog2Social PHP

5.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:43 vuln.today

PoC Detected

Jun 09, 2025 - 20:13 vuln.today

Public exploit code

CVE Published

May 22, 2025 - 06:15 nvd

MEDIUM 5.4

DescriptionNVD

AnalysisAI

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 8.4.0 does not escape the title of posts when outputting them in a dashboard, which could allow users with the contributor. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 8.4.0 does not escape the title of posts when outputting them in a dashboard, which could allow users with the contributor role to perform Cross-Site Scripting attacks. Affected products include: Adenion Blog2Social. Version information: before 8.4.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-4133 vulnerability details – vuln.today

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