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PatchSiren cyber security CVE debrief

CVE-2026-109224 surecart CVE debrief

The SureCart plugin for WordPress has a Stored Cross-Site Scripting vulnerability via the 'comment' parameter in versions up to 4.9.4. This allows unauthenticated attackers to inject web scripts that execute when a user accesses an injected page. Successful execution requires the affected comment to appear on a post loading the surecart-components runtime and containing no sc-checkout element.

Vendor
surecart
Product
SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-16
Advisory published
2026-10-16
Advisory updated
2026-10-16

Who should care

Defenders responsible for WordPress deployments using the SureCart plugin should assess exposure and prioritize verification and updates. Security teams and administrators should monitor for potential exploitation attempts and verify the plugin version.

Why it matters

The SureCart plugin vulnerability allows unauthenticated attackers to inject web scripts, potentially leading to Cross-Site Scripting attacks. Defenders should prioritize verification, updates, and monitoring to mitigate this vulnerability.

  • Unauthenticated attackers can inject web scripts that execute when a user accesses an injected page
  • Successful execution requires specific conditions, including the affected comment appearing on a post loading the surecart-components runtime

Technical summary

The SureCart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.9.4. This is due to insufficient input sanitization and output escaping. Successful execution requires the affected comment to appear on a post that loads the surecart-components runtime and contains no sc-checkout element. Defenders should prioritize verifying and updating the SureCart plugin to a fixed version, assessing exposure in their WordPress deployments, and monitoring for potential exploitation attempts.

Defensive priority

Defenders should prioritize verifying and updating the SureCart plugin to a fixed version, assessing exposure in their WordPress deployments, and monitoring for potential exploitation attempts.

Recommended defensive actions

  • Verify and update the SureCart plugin to a fixed version
  • Assess exposure in WordPress deployments
  • Monitor for potential exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability is confirmed in SureCart plugin versions up to 4.9.4. The CVE record and NVD entry provide details on the vulnerability, but no additional information on exploitation or affected versions is available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-109224 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-109224

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-109224 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-109224

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.4/app/src/BlockLibrary/BlockServiceProvider.php

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.4/app/src/Support/kses.json

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/surecart/tags/4.9.4/dist/components/esm/sc-cart-loader.entry.js

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.