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SiteLeads CVE-2026-78268

| EUVDEUVD-2026-65175 HIGH
Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497)
2026-08-24 Patchstack GHSA-pvch-mwpv-4j95
7.5
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.5 HIGH

Network-accessible unauthenticated endpoint exposes sensitive data; no integrity or availability impact is described or inferable from the vulnerability class.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Aug 24, 2026 - 22:22 vuln.today
CVE Published
Aug 24, 2026 - 21:31 cve.org
HIGH 7.5

DescriptionCVE.org

Unauthenticated Sensitive Data Exposure in Lead Generation Contact Widget &amp; AI Chatbot: Chat Button, Phone Call, Telegram, Email - SiteLeads <= 1.2.0 versions.

AnalysisAI

Unauthenticated sensitive data exposure in the SiteLeads WordPress plugin (Lead Generation Contact Widget & AI Chatbot) versions 1.2.0 and earlier allows any remote, unauthenticated attacker to retrieve sensitive information from affected WordPress installations. The vulnerability stems from improper protection of sensitive system data (CWE-497), where plugin-stored data - likely including lead contact details, API credentials, or configuration values - is accessible without authentication. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site via scanning
Delivery
Detect SiteLeads plugin presence
Exploit
Send unauthenticated HTTP request to plugin endpoint
Execution
Receive sensitive data in response
Impact
Harvest lead records or API credentials

Vulnerability AssessmentAI

Exploitation No special conditions are required for exploitation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N indicates a straightforward, network-accessible, zero-authentication attack with high confidentiality impact and no complexity barrier - any internet-exposed WordPress site running the affected plugin version is reachable by an opportunistic scanner. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker performs an unauthenticated HTTP GET or POST request to a WordPress REST API or AJAX endpoint registered by the SiteLeads plugin, requiring no credentials or session tokens. The plugin returns sensitive data - potentially captured lead contact records or embedded API keys - directly in the response. …
Remediation WordPress site operators running SiteLeads should update the plugin to a version beyond 1.2.0 immediately; the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/siteleads/vulnerability/wordpress-lead-generation-contact-widget-ai-chatbot-chat-button-phone-call-telegram-email-siteleads-plugin-1-2-0-sensitive-data-exposure-vulnerability should be consulted to confirm the exact patched release version, as an explicit fixed version number was not confirmed in the available source data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Audit all WordPress installations to identify those running SiteLeads plugin versions 1.2.0 or earlier, and document the scope of affected sites and their data exposure. …

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CVE-2026-78268 vulnerability details – vuln.today

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