---
id: CVE-2026-113383
title: Optimal IdM OptimalCloud Login cross site scripting
summary: >-
  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…
severity: medium
cvss: 4.3
cvssVector: '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'
cvssSource: cna
cwe:
  - CWE-79
  - CWE-94
vendor: Optimal IdM
product: OptimalCloud
affected:
  - OptimalCloud 5.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-20T13:41:45.742122Z'
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T13:42:01.165Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113383'
references:
  - url: 'https://vuldb.com/vuln/422656'
    label: VDB-422656 | Optimal IdM OptimalCloud Login cross site scripting
  - url: 'https://vuldb.com/vuln/422656/cti'
    label: 'VDB-422656 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-113383'
    label: CVE-2026-113383 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/991713'
    label: 'Submit #991713 | Optimal IdM The OptimalCloud v5.0 Cross Site Scripting'
tags:
  - cve.org
ingestedAt: '2026-10-20T12:05:07.324Z'
---

## Overview

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.

## Affected

- `OptimalCloud 5.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.