CVE-2026-120597 Details
Description
A vulnerability was identified in Welcart e-Commerce Plugin up to 2.12.6 on WordPress. This affects the function ESCOTT_MAIN::error_page_message of the file classes/paymentESCOTT.main.class.php. Such manipulation of the argument ResponseCd leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version 2.12.7 mitigates this issue. It is recommended to upgrade the affected component. The value is now escaped with esc_html() before output. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
A cross-site scripting (XSS) vulnerability has been identified in the Welcart e-Commerce Plugin for WordPress, affecting versions through 2.12.6. The issue arises in the 'ESCOTT_MAIN::error_page_message' function within 'classes/paymentESCOTT.main.class.php'. The vulnerability allows for remote exploitation by manipulating the 'ResponseCd' parameter, leading to unescaped output that can be executed in the user's browser. This flaw is present only on sites with the 'e-SCOTT Smart' settlement activated.
Users are advised to upgrade to Welcart e-Commerce Plugin version 2.12.7, which addresses the vulnerability by properly escaping the 'ResponseCd' parameter before output. The updated version can be downloaded from the WordPress Plugin Repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 2, 2026CISA-ADP
Assessed Nov 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/bevennyamande/welcart-poc | [email protected] | ExploitTechnical Description |
| https://vuldb.com/cve/CVE-2026-120597 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1039186 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429933 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429933/cti | [email protected] | Content Wall |
| https://wordpress.org/plugins/usc-e-shop/ | [email protected] | ProductVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Welcart | <= 2.12.6 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 3, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | New CVE Received | [email protected] |