# CVE-2026-107653: SureCart plugin stored cross-site scripting in comments

Source: https://junglewise.ai/threats/cve-2026-107653-the-surecart-ecommerce-made-easy-for-selling-physical-products  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-31. Updated: 2026-10-31  
License: CC BY 4.0 with a link back

CVE-2026-107653 · Severity: high · CVSS 7.2 · Published 2026-10-31

SureCart is an e-commerce plugin for WordPress that enables selling physical products, digital downloads, subscriptions, and donations. The plugin contains a stored cross-site scripting vulnerability in the comments feature that allows attackers to inject malicious scripts into pages where SureCart's Buy Button block is used. When a user visits an infected page, the injected script executes in their browser, potentially compromising their account or stealing sensitive data.

Technologies: [SureCart](https://junglewise.ai/threats/technologies/surecart). Vendors: [SureCart](https://junglewise.ai/threats/vendors/surecart).

## Quick answers

**Is CVE-2026-107653 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-107653 being exploited in the wild.

**How severe is CVE-2026-107653?** High severity, with a CVSS score of 7.2, published 31 October 2026.

**Which products and versions are affected?** SureCart up to 4.9.4.

**Is there a fix for CVE-2026-107653?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-107653 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-107653?** Check whether you run SureCart at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stored XSS vulnerability exists in the SureCart WordPress plugin (versions up to 4.9.4) where the 'comment' parameter is not properly sanitized or escaped before output. An unauthenticated attacker can inject arbitrary JavaScript that persists in the database. The injected script executes when users view pages containing SureCart's web-component bundle (such as pages with a Buy Button block), provided the comment is either auto-approved or approved by a moderator.

## Affected products

- SureCart SureCart up to 4.9.4

## Timeline

- 2026-10-31: disclosed

## References

- [https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.2/app/src/BlockLibrary/BlockServiceProvider.php](https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.2/app/src/BlockLibrary/BlockServiceProvider.php)
- [https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.2/app/src/BlockLibrary/BlockServiceProvider.php](https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.2/app/src/BlockLibrary/BlockServiceProvider.php)

## Related threats

- [SureCart plugin for WordPress unauthenticated account takeover](https://junglewise.ai/threats/cve-2026-120574-the-surecart-plugin-for-wordpress-is-vulnerable-to)
- [SureCart Stored Cross-Site Scripting in comment parameter](https://junglewise.ai/threats/cve-2026-109224-the-surecart-ecommerce-made-easy-for-selling-physical-products)
- [SureCart WordPress plugin unauthenticated account creation bypass](https://junglewise.ai/threats/cve-2026-75793-surecart-wordpress-plugin-unauthenticated-account-creation-bypass)
- [SureCart plugin privilege escalation and account takeover](https://junglewise.ai/threats/cve-2026-18480-surecart-plugin-privilege-escalation-and-account-takeover)
- [SureCart WordPress plugin privilege escalation via account takeover](https://junglewise.ai/threats/cve-2026-7655-surecart-wordpress-plugin-privilege-escalation-via-account)