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Passster CVE-2024-0616

MEDIUM
Information Exposure (CWE-200)
2024-02-29 security@wordfence.com
5.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.43%.

Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.4% exploitation probability (EPSS)

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AnalysisAI

The Passster - Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.6.2 via API. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. The Passster - Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.6.2 via API. This makes it possible for unauthenticated attackers to obtain post titles, slugs, IDs, content and other metadata including passwords of password-protected posts and pages. Affected products include: Wpchill Passster.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch released
Apr 08, 2026 - 17:22 nvd
Patch available
CVE Published
Feb 29, 2024 - 01:43 nvd
MEDIUM 5.3

DescriptionCVE.org

The Passster - Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.6.2 via API. This makes it possible for unauthenticated attackers to obtain post titles, slugs, IDs, content and other metadata including passwords of password-protected posts and pages.

Threat Intelligence Overview

EPSS Score
0.4%
Top 38% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:wpchill:passster:*:*:*:*:*:wordpress:*:*
CVE-2026-16604 HIGH POC
7.5 Aug 05

Password-protected block content in the Passster WordPress plugin (all versions before 4.3.6) is rendered into the publi

CVE-2026-16603 HIGH POC
7.5 Aug 05

Category-locked content in the Passster WordPress plugin (all versions before 4.3.6) is fully exposed through the native

CVE-2026-16602 HIGH POC
7.5 Aug 05

Unauthenticated content disclosure in the Passster WordPress plugin (versions before 4.3.6) allows any remote user to re

CVE-2022-3206 MEDIUM POC
5.9 Oct 17

The Passster WordPress plugin before 3.5.5.5.2 stores the password inside a cookie named "passster" using base64 encodin

CVE-2026-17559 MEDIUM POC
5.3 Aug 21

Passster WordPress plugin versions before 4.3.9 exposes globally password-protected post and page content to unauthentic

CVE-2025-15490 MEDIUM POC
5.3 Sep 02

Global protection bypass in the Passster WordPress plugin (versions before 4.2.26) allows unauthenticated remote attacke

CVE-2025-15489 MEDIUM POC
5.3 Sep 02

Unauthenticated information disclosure in the Passster WordPress plugin (versions before 4.2.24) allows remote attackers

CVE-2024-2026 MEDIUM
6.4 Apr 09

The Passster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's content_protector shortc

CVE-2026-110896 MEDIUM
5.3 Oct 16

Missing authorization in the WP Chill Passster WordPress plugin (content-protector) through version 4.3.18 allows unauth

CVE-2026-62114 MEDIUM
5.3 Sep 11

Broken access control in the Passster WordPress content-protection plugin (versions up to and including 4.3.13) allows u

CVE-2024-11282 MEDIUM
5.3 Jan 07

The Passster - Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure i

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