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Wp Popup Builder CVE-2025-62902

MEDIUM
Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497)
2025-10-27 audit@patchstack.com
5.3
CVSS 3.1 · Vendor: patchstack
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection System info exposure prevention
Impact

The vulnerability presents a nuanced risk profile requiring contextual analysis of multiple signals. The CVSS 7.5 HIGH score reflects significant confidentiality impact (C:H) with network accessibility requiring no authentication, representing a genuine technical concern. However, real-world exploitation likelihood appears limited based on EPSS probability of 0.03% (10th percentile), indicating security researchers and threat actors have not prioritized this vulnerability in observed exploitation attempts. No public exploit identified at time of analysis and no CISA KEV listing further support lower immediate risk. The lack of integrity or availability impact (I:N, A:N) means this is purely an information disclosure issue-severity depends entirely on what sensitive data is exposed. For SSVC decision framework analysis: exploitation status is none observed, technical impact is partial (confidentiality only), and automatable is yes given the lack of authentication requirements. Priority should be moderate: organizations running affected versions should patch during normal maintenance cycles, with expedited patching only if the exposed information includes credentials or data enabling privilege escalation attacks. The primary risk is using disclosed information as reconnaissance for multi-stage attacks rather than direct system compromise.

Exploit ScenarioDerived

An unauthenticated remote attacker performs reconnaissance against WordPress sites running WP Popup Builder by sending HTTP requests to known plugin endpoints or directly accessing plugin configuration files. Without requiring any authentication or user interaction, the attacker successfully retrieves sensitive system information such as database table prefixes, installation paths, API configuration details, or user enumeration data exposed by the plugin's insecure information handling. The attacker uses this disclosed information to map the site architecture, identify additional attack surfaces, and craft targeted attacks against other components. For example, disclosed database credentials or API keys could enable direct database access or third-party service compromise, while exposed user data facilitates phishing or credential stuffing campaigns. The low attack complexity and network accessibility make this vulnerability easily scalable across multiple WordPress installations using automated scanning tools.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Apr 01, 2026

Sensitive system information disclosure in ThemeHunk WP Popup Builder plugin for WordPress (versions ≤1.3.8) allows unauthenticated remote attackers to retrieve embedded sensitive data without authentication. The vulnerability presents a CVSS 7.5 HIGH severity with confirmed network-based exploitation requiring no user interaction. EPSS score of 0.03% (10th percentile) indicates minimal observed exploitation activity, and no public exploit identified at time of analysis. The flaw stems from improper exposure of sensitive information to unauthorized control spheres (CWE-497).

RemediationAI

WordPress administrators should immediately upgrade WP Popup Builder to the latest version available from the WordPress plugin repository or ThemeHunk's official distribution channels, ensuring the version exceeds 1.3.8 where the vulnerability exists. Verify successful update by checking plugin version in WordPress admin dashboard under Plugins menu. If an updated version addressing this CVE is not yet available, implement temporary compensating controls including restricting access to WordPress admin areas via IP allowlisting at web server or WAF level, implementing file integrity monitoring to detect unauthorized access to plugin directories, and reviewing web server access logs for suspicious requests to wp-popup-builder endpoints. Organizations should audit what sensitive information may have been exposed by reviewing plugin configuration files and database entries. Complete vulnerability details and mitigation guidance are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/wp-popup-builder/vulnerability/wordpress-wp-popup-builder-plugin-1-3-6-sensitive-data-exposure-vulnerability. Consider evaluating alternative popup builder plugins with stronger security track records if vendor response is inadequate.

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Technical ContextAI · show details

This vulnerability affects the WP Popup Builder WordPress plugin (cpe:2.3:a:themehunk:wp_popup_builder) through version 1.3.8. The root cause is classified as CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere), indicating the plugin improperly exposes system-level or configuration data through accessible endpoints or responses. In WordPress plugin architectures, this typically manifests through unsecured AJAX handlers, REST API endpoints without capability checks, or direct file access to configuration data. The vulnerability allows retrieval of embedded sensitive data, which could include database credentials, API keys, installation paths, user enumeration data, or plugin configuration details. The CVSS vector indicates network-based exploitation (AV:N) with low complexity (AC:L) and no required privileges (PR:N) or user interaction (UI:N), suggesting the sensitive data is exposed through publicly accessible plugin endpoints or files.

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Severity by source

Vendor (patchstack) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (patchstack) · only source for this CVE.

CVSS VectorVendor: patchstack

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

Lifecycle Timeline

3
Severity Changed
Apr 23, 2026 - 15:42 NVD
HIGH MEDIUM
CVSS changed
Apr 23, 2026 - 15:42 NVD
7.5 (HIGH) 5.3 (MEDIUM)
CVE Published
Oct 27, 2025 - 02:15 nvd
HIGH 7.5

DescriptionCVE.org

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in ThemeHunk WP Popup Builder wp-popup-builder allows Retrieve Embedded Sensitive Data.This issue affects WP Popup Builder: from n/a through <= 1.3.8.

Executive ViewAI

Why It Matters

ThemeHunk WP Popup Builder plugin (versions ≤1.3.8) exposes sensitive system information to unauthenticated remote attackers without requiring authentication or user interaction, creating an information disclosure risk for WordPress sites using this plugin. Organizations running affected versions face potential exposure of embedded sensitive data that could facilitate secondary attacks or unauthorized access.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Disable plugin immediately if update unavailable; (2) implement Web Application Firewall (WAF) rules to block direct access to plugin-related endpoints (/wp-content/plugins/wp-popup-builder/); (3) enforce authentication via Web server configuration for sensitive plugin paths; (4) monitor access logs for suspicious requests to plugin components; (5) consider network-level IP filtering if plugin is essential pending patch release. Monitor vendor communications for patch availability and test immediately upon release.

Threat Intelligence Overview

EPSS Score
0.0%
Top 90% exploitable
Data Quality
3 sources
Confidence: Low

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 0.0%
Patch available No
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
High

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:themehunk:wp_popup_builder:*:*:*:*:*:wordpress:*:*

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