Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Unauthenticated network injection (AV:N/AC:L/PR:N), but a victim must view the stored payload so UI:R; script runs in a different context (S:C) with limited C/I impact and no availability effect.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Motors - Car Dealership & Classified Listings Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content and User Biographical Info in all versions up to, and including, 1.4.112 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Articles & Coverage 1
AnalysisAI
Stored cross-site scripting in the StyleMix Motors - Car Dealership & Classified Listings plugin for WordPress (all versions through 1.4.112) lets unauthenticated attackers persist malicious JavaScript through the Comment Content and User Biographical Info fields, which then executes in the browser of any visitor or administrator who views the affected page. The scope-changed CVSS 3.1 score of 7.2 reflects that injected script runs in a security context different from the vulnerable component. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the unauthenticated injection path makes it broadly abusable against sites running this popular automotive/classifieds plugin.
Technical ContextAI
The affected component is a commercial WordPress plugin (cpe:2.3:a:stylemix:motors_-_car_dealership_&_classified_listings_plugin) that adds car-dealership and classified-listing functionality to WordPress sites. The root cause is CWE-79 (Improper Neutralization of Input During Web Page Generation): user-supplied data submitted via comment content and the user biographical info profile field is stored without sufficient sanitization and later rendered without adequate output escaping, so raw HTML/JavaScript is emitted into the page DOM. Referenced source files (includes/helpers.php line 278 and the listing-manager tooltip.js at lines 59/73) point to the code paths where untrusted values are handled and echoed, and the WordPress plugin repository changeset 3594971 represents the code change that remediates the flaw.
RemediationAI
Upstream fix available (WordPress.org changeset 3594971); the released patched version number is not independently confirmed from the provided data, so update the Motors plugin to the latest available release above 1.4.112 published by StyleMix and verify the installed version afterward. Confirm the fix details via the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/f4e25aa6-8028-4c85-98c4-6f47a1502427?source=cve) and the changeset (https://plugins.trac.wordpress.org/changeset/3594971/motors-car-dealership-classified-listings). Until patched, apply compensating controls: enable a WAF rule (e.g. Wordfence) to filter script payloads in comment and profile fields; require pre-publication moderation/approval of all comments so injected content never auto-renders (trade-off: manual review overhead); disable comments on affected listing pages if the feature is not essential (trade-off: loss of user engagement) and restrict who can set biographical info; and audit existing comments and user bios for already-stored script content, since patching stops new injections but does not remove payloads persisted before the upgrade.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-43130
GHSA-3gm5-qvcv-5943