CVE-2026-91013: Adobe Commerce stored Cross-Site Scripting in form fields

CVE-2026-91013 · Severity: critical · CVSS 9.3 · Published 2026-10-13

Adobe Commerce, a web platform for building e-commerce storefronts, is vulnerable to stored cross-site scripting attacks where malicious code can be injected into form fields. When customers or administrators view pages with affected fields, the injected JavaScript runs in their browsers, allowing attackers to steal session data, hijack accounts, or impersonate users with elevated privileges. The vulnerability requires no authentication to exploit.

Technologies: Adobe Commerce, Adobe Commerce B2b, Adobe Magento, Adobe Magento Open Source. Vendors: Adobe.

Quick answers

Is CVE-2026-91013 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91013 being exploited in the wild.
How severe is CVE-2026-91013?
Critical severity, with a CVSS score of 9.3, published 13 October 2026.
Which products and versions are affected?
Adobe Commerce 2.4.9-2026-sep and earlier, 2.4.8-2026-sep, 2.4.7-2026-sep, 2.4.6-2026-sep, 2.4.5-2026-sep, 2.4.4-2026-sep; Adobe Commerce B2b 1.5.3-2026-sep and earlier, 1.5.2-2026-sep, 1.4.2-2026-sep, 1.3.4-2026-sep, 1.3.3-2026-sep; Adobe Magento Open Source 2.4.9-2026-sep and earlier, 2.4.8-2026-sep, 2.4.7-2026-sep, 2.4.6-2026-sep.
Is there a fix for CVE-2026-91013?
Yes: fixed in Adobe Commerce 2.4.10-alpha1, 2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct, 2.4.6-2026-oct, 2.4.5-2026-oct, 2.4.4-2026-oct; Commerce B2B 1.5.4-alpha1, 1.5.3-2026-oct, 1.5.2-2026-oct, 1.4.2-2026-oct, 1.3.4-2026-oct, 1.3.3-2026-oct; Magento Open Source 2.4.10-alpha1, 2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-91013 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-91013?
Check whether you run Adobe Commerce, Adobe Commerce B2b, Adobe Magento or one of the others listed 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.

How to fix

  • Fixed in: Adobe Commerce 2.4.10-alpha1, 2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct, 2.4.6-2026-oct, 2.4.5-2026-oct, 2.4.4-2026-oct; Commerce B2B 1.5.4-alpha1, 1.5.3-2026-oct, 1.5.2-2026-oct, 1.4.2-2026-oct, 1.3.4-2026-oct, 1.3.3-2026-oct; Magento Open Source 2.4.10-alpha1, 2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct

Technical details

CVE-2026-91013 is a stored XSS vulnerability in Adobe Commerce resulting from improper output encoding of user inputs in form fields. The attack requires user interaction (a victim viewing the malicious payload), but affects all versions of Commerce up to 2.4.9-2026-sep and B2B up to 1.5.3-2026-sep. A successful exploit enables privilege escalation by executing arbitrary JavaScript in the victim's browser context.

Affected products

  • Adobe Commerce 2.4.9-2026-sep and earlier, 2.4.8-2026-sep, 2.4.7-2026-sep, 2.4.6-2026-sep, 2.4.5-2026-sep, 2.4.4-2026-sep
  • Adobe Commerce B2B 1.5.3-2026-sep and earlier, 1.5.2-2026-sep, 1.4.2-2026-sep, 1.3.4-2026-sep, 1.3.3-2026-sep
  • Adobe Magento Open Source 2.4.9-2026-sep and earlier, 2.4.8-2026-sep, 2.4.7-2026-sep, 2.4.6-2026-sep

Timeline

  • 2026-10-13: disclosed

References

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