CVE-2026-51923: An Insecure Direct Object Reference (IDOR) vulnerability exists in docuForm GmbH Client v.11.11c allowing a remote attacker to execute arbitrary code via the user settings componen
An Insecure Direct Object Reference (IDOR) vulnerability exists in docuForm GmbH Client v.11.11c allowing a remote attacker to execute arbitrary code via the user settings component, and modify or retrieve sensitive data associated with other users’ accounts.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-51923
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-519230.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-51923 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for An Insecure Direct
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-10041: The WCFM – Frontend Manager for WooCommerce plugin for WordPress is vulnerable to Insecure Dir…nvd · 2026-07-11
- mediumCVE-2026-13116: The PDF Invoices & Packing Slips for WooCommerce plugin for WordPress is vulnerable to Insecur…nvd · 2026-07-11
- highCVE-2026-61460: Krayin CRM through 2.2.3 contains an insecure direct object reference vulnerability in LeadCon…nvd · 2026-07-10
- unknownCVE-2026-41878: R-SOFT DMS is vulnerable to Insecure Direct Object Reference (IDOR) attack in multiple file do…nvd · 2026-07-10
- mediumCVE-2026-12400: The FlowForms – Conversational Form Builder plugin for WordPress is vulnerable to Insecure Dir…nvd · 2026-07-10
- mediumCVE-2026-12433: The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerab…nvd · 2026-07-09
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