CVE-2026-19914
Welcart e-Commerce <= 2.12.1 - Unauthenticated Stored Cross-Site Scripting via 'custom_order' Parameter
- Published
- Sep 1, 2026
- Updated
- Sep 1, 2026
- Assigning CNA
- Wordfence
- Evidence observed
- Sep 1, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 39.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The Welcart e-Commerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'custom_order' parameter in all versions up to, and including, 2.12.1 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. The injected payload is delivered via the guest checkout form, requiring no authentication, and executes when an administrator views the affected order in the WordPress admin panel.
Sources
1Proof-of-concept exploits for CVE-2026-19912, CVE-2026-19913, and CVE-2026-19914, demonstrating file read and remote code execution in Kaltura, intended for authorized security testing and education.
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