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Vulnerabilities

Security fix · CVE-2025-30186

Malicious content uploaded as file can be used to execute script code when following attacker-controlled links.

Published Nov 27, 2025 · catalog updated Nov 28, 2025 · Open-Xchange GmbH OX App Suite

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-30186. EPSS is 0.19%. Act only if a listed version of Open-Xchange GmbH OX App Suite 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
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Advisory link
Affected products
vendor Open-Xchange GmbH OX App Suite 0 ≤8.39.83

Malicious content uploaded as file can be used to execute script code when following attacker-controlled links. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch releases. No publicly available exploits are known

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.

  • vendor Open-Xchange GmbH OX App Suite 0 ≤8.39.830 ≤8.39.83

How to fix CVE-2025-30186

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-2025-30186. EPSS is 0.19%. Act only if a listed version of Open-Xchange GmbH OX App Suite is installed.

Which versions are affected?

Compare what you have installed with Open-Xchange GmbH OX App Suite 0 ≤8.39.83 0 ≤8.39.83. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.19%. 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 27, 2025 · EUVD

    Detected

    Malicious content uploaded as file can be used to execute script code when following attacker-controlled links. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch releases. No publicly available exploits are known

  2. Nov 28, 2025 · EUVD

    Updated

    Malicious content uploaded as file can be used to execute script code when following attacker-controlled links. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch releases. No publicly available exploits are known

Sources

  • CVE.orgVulnerability recordCVE-2025-30186

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-30186

    30-day exploitation probability 0.19%

    first.org
  • EUVDVulnerability recordEUVD-2025-199815

    Malicious content uploaded as file can be used to execute script code when following attacker-controlled links. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch re

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026