VikRentCar Car Rental Management System <= 1.4.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via Widget Block Additional CSS Class

Medium 6.4 CWE-79Fixed in 1.4.11
ID
WPSEC-2026-1853
Plugin
VikRentCar Car Rental Management System (vikrentcar)
Affected
from 1.4.0 before 1.4.11
Remediation
Update to 1.4.11 or later.
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-79
Usage
Plugin Low · Affected versions None seen among sites WPSec scans, 2026-10-28
Attack surface
VikRentCar Car Rental Management System on WPSec AttackSurface
Fix released
Published

Description

The VikRentCar Car Rental Management System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Additional CSS class' (className) attribute of the plugin's widget blocks (Cars List, Search, Currency Converter) in versions 1.4.0 up to, and including, 1.4.10. This is due to the block render callback using the className value as the widget class suffix and inserting it into the wrapper's class attribute with no sanitization or output escaping. This makes it possible for authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References

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