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Vulnerabilities

Vulnerability · CVE-2025-15591

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.

Published Oct 6, 2026 · catalog updated Oct 14, 2026 · Cross-site Scripting (XSS) in

Check if you run it

No confirmed exploitation is on record for CVE-2025-15591. EPSS is 0.32%. Act only if a listed version of Cross-site Scripting (XSS) in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Cross-site Scripting (XSS) in).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2025-15591

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-15591. EPSS is 0.32%. Act only if a listed version of Cross-site Scripting (XSS) in is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 6, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-15591

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-15591

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2025-15591

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.