EUVD-2026-75954
GHSA-x4cw-pxp4-3x6g
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Unauthenticated nopriv AJAX endpoint (PR:N, AV:N), trivially bypassed validation (AC:L), confirmed database read-only impact (C:H/I:N/A:N).
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Sticky Chat Widget plugin for WordPress is vulnerable to SQL Injection via the 'scw_form_fields' parameter array keys of the 'scw_save_form_data' AJAX action in versions up to, and including, 1.4.2. This is due to the save_form_data() function passing attacker-controlled POST array keys unsanitized to $wpdb->insert(), which wraps column identifiers in backticks without escaping them, allowing a backtick in an attacker-supplied key to break out of the column-identifier list into raw SQL; additionally, the use of filter_input() bypasses WordPress's wp_magic_quotes() protection, and the widget_id validation loop is skipped entirely when no valid widget_id is supplied, leaving $isValid at 1. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
AnalysisAI
SQL injection in the Sticky Chat Widget WordPress plugin (versions ≤1.4.2) allows unauthenticated remote attackers to extract sensitive data from the underlying WordPress database via the scw_save_form_data AJAX action. Three compounding weaknesses enable exploitation: $wpdb->insert() wraps column identifiers in unescaped backticks, PHP's filter_input() retrieves raw POST data bypassing WordPress's wp_magic_quotes() sanitization, and a widget_id validation loop that is never executed when no valid widget_id is supplied leaves the $isValid flag at its initialized true value. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The WordPress site must have the Sticky Chat Widget plugin version ≤1.4.2 installed and active - no special plugin configuration is required beyond activation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) accurately reflects the attack profile: unauthenticated, network-accessible, low-complexity exploitation yielding read-only database access with no write or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Sticky Chat Widget plugin to a version beyond 1.4.2 by applying the fix committed to plugin trunk, visible in the Trac changeset at https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3640407%40sticky-chat-widget%2Ftrunk%2Fincludes%2Ffront-end.php&old=3349742%40sticky-chat-widget%2Ftrunk%2Fincludes%2Ffront-end.php. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all WordPress installations running Sticky Chat Widget version 1.4.2 or earlier and immediately disable or uninstall the plugin-no vendor-released patch identified at time of analysis; if removal is not feasible, deploy WAF rules to block POST requests to the scw_save_form_data AJAX action as interim protection. …
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