CVE-2026-113383

MEDIUM 4.3

Optimal IdM OptimalCloud Login cross site scripting

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in Optimal IdM OptimalCloud 5.0. This affects an unknown part of the file /v5.0/webapps/pages/public/Login. Performing a manipulation of the argument tz results in cross site scripting. Remote exploitation of the attack is possible. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-79 CWE-94
Vendor	optimal idm
Product	optimalcloud
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Optimal IdM / OptimalCloud

5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422656 vuldb.com: https://vuldb.com/vuln/422656/cti vuldb.com: https://vuldb.com/cve/CVE-2026-113383 vuldb.com: https://vuldb.com/submit/991713

Credits

🔍 Alexandre Rodrigo (VulDB User) VulDB CNA Team