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CVE-2026-113383— Optimal IdM OptimalCloud Login cross site scripting

Quick assessment

Affected
Optimal IdM OptimalCloud
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Optimal IdM OptimalCloud 5.0 中发现了一个漏洞。该漏洞影响文件 中的未知部分。通过操纵 参数，可触发跨站脚本（XSS）攻击，且该攻击可被远程利用。披露此漏洞时已尽早联系厂商，但对方未作出任何回应。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-113383

Vulnerability Information
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Vulnerability Title
Optimal IdM OptimalCloud Login cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Optimal IdM OptimalCloud 5.0 cpe:2.3:a:optimal_idm:optimalcloud:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-113383

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III. Intelligence Information for CVE-2026-113383

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IV. Related Vulnerabilities

Same product: OptimalCloud
Same vendor: Optimal IdM
Same weakness: CWE-79

V. Comments for CVE-2026-113383

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