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Vulnerabilities

Vulnerability · CVE-2025-36223

IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.

Published Nov 12, 2025 · catalog updated Oct 18, 2026 · IBM OpenPages

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-36223. EPSS is 0.18%. Act only if a listed version of IBM OpenPages is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Advisory link
Affected products
cpe ibm/openpages · vendor IBM OpenPages 9.0

IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ibm/openpages9.0.0
  • cpe ibm/openpages9.1.0
  • vendor IBM OpenPages 9.09.0

How to fix CVE-2025-36223

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-2025-36223. EPSS is 0.18%. Act only if a listed version of IBM OpenPages is installed.

Which versions are affected?

Compare what you have installed with IBM OpenPages 9.0 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-644: Improper Neutralization of HTTP Headers for Scripting Syntax. EPSS 0.18%. 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. Nov 12, 2025 · NIST NVD

    Detected

    IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

  2. Oct 18, 2026 · NIST NVD

    Updated

    IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Sources

  • CVE.orgVulnerability recordCVE-2025-36223

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-36223

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2025-131933

    IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijackin

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-36223

    IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijackin

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 25, 2026
  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • NIST NVDOct 18, 2026