Description

A vulnerability in OpenText OpenText Directory Services (OTDS) on Windows and Linux allows Clickjacking. This issue affects OpenText Directory Services (OTDS): from 10.5 through 26.2.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.3",
  "pubDate": "2026-11-05T20:17:51.870Z",
  "pubdate": "2026-11-05T20:17:51.870Z",
  "executiveSummary": "OpenText Directory Services (OTDS) is susceptible to a Clickjacking vulnerability, also known as UI Redressing. This security flaw allows a malicious actor to craft a deceptive web page that overlays the legitimate OTDS interface within an invisible iframe.\nBy leveraging this technique, an attacker can trick authenticated users into performing unintended actions on the OTDS platform without their knowledge or consent. This vulnerability affects OTDS versions ranging from 10.5 through 26.2 across both Windows and Linux environments.\nThe primary risk involves unauthorized execution of administrative or user-level operations, potentially compromising the integrity of directory services or account configurations. Successful exploitation requires the victim to be actively authenticated to the OTDS instance and to interact with the attacker-controlled malicious content. There are no specific privilege requirements for the attacker, as the malicious payload relies entirely on the victim’s existing session and permissions within the browser context.\nThe potential impact includes unauthorized modifications to directory objects, credential exposure, or configuration changes, depending on the victim's level of access. Organizations should prioritize implementing modern browser security headers to restrict framing and prevent unauthorized UI overlay attacks.",
  "technicalDetails": "The vulnerability originates from the lack of sufficient security headers, specifically the 'X-Frame-Options' or 'Content-Security-Policy' (CSP) frame-ancestors directive, within the OpenText Directory Services (OTDS) web application interface. Because the application does not explicitly restrict which domains are permitted to render the OTDS interface within an iframe, it becomes susceptible to UI redressing attacks.\nIn a typical attack flow, the attacker hosts a malicious website containing a carefully positioned iframe that loads the legitimate OTDS login page or administrative dashboard. Using CSS properties such as 'opacity: 0' and 'z-index', the attacker makes the iframe invisible while placing it directly over legitimate-looking buttons, links, or interactive elements on the malicious site. When the victim clicks an element on the deceptive site, they are actually triggering the action within the concealed OTDS interface.\nFor the exploitation to succeed, the target user must have an active session established with the OTDS instance. The browser automatically includes the victim's session cookies or authentication tokens in the request to the framed OTDS resource, effectively bypassing traditional authentication mechanisms because the request originates from the user's own browser.\nThe attack is platform-agnostic, affecting both Windows and Linux deployments of OTDS versions 10.5 through 26.2. The vulnerable component is the web-based management interface provided by OTDS. The potential impact is significant, as it can lead to forced state changes, such as disabling security features, creating new accounts, or modifying directory synchronization settings if the victim possesses administrative privileges.\nThe primary post-exploitation risk is the manipulation of the directory service, which serves as a central authentication repository. If an attacker successfully tricks an administrator into executing a high-privilege function, the attacker could effectively gain persistent control over the authentication infrastructure or perform unauthorized data exfiltration from the directory."
}