CVE-2026-113468: CWE-862 Missing Authorization in TYPO3 Extension "TYPO3 Shop by coding.ms"
Description
The payment notification endpoint for PayPal accepts incoming data without verifying that it comes from the payment provider. Any site visitor can overwrite the stored payment notification of an order that is still awaiting payment with arbitrary content. This requires a page that contains the shop's order plugin. Orders that are already paid are not affected.
CVSS v4.0
Score 6.9medium
Affected software
TYPO3
Extension "TYPO3 Shop by coding.ms"
pkg:composer/codingms/shopRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The TYPO3 extension "TYPO3 Shop by coding.ms" contains a missing authorization vulnerability (CWE-862) in its PayPal payment notification endpoint. The endpoint accepts incoming data without verifying its source, enabling unauthenticated users to overwrite payment notifications for orders awaiting payment. This requires the presence of a page containing the shop's order plugin. Paid orders are not impacted. The vulnerability has a CVSS 4.0 base score of 6.9 (medium severity).
Potential Impact
An attacker can overwrite payment notifications for unpaid orders with arbitrary data, potentially causing incorrect order status or payment processing issues. Paid orders remain unaffected. There is no indication of remote code execution or privilege escalation from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to pages containing the shop's order plugin and monitor for unauthorized modifications to payment notifications.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TYPO3
- Date Reserved
- 2026-10-20T08:22:57.810Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad739172cdf04f6561b7991
Added to database: 10/20/2026, 09:49:11 UTC
Last enriched: 10/20/2026, 10:03:41 UTC
Last updated: 10/20/2026, 19:06:08 UTC
Views: 11
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