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Vulnerabilities

Vulnerability · CVE-2025-30191

Malicious content from E-Mail can be used to perform a redressing attack.

Published Oct 31, 2025 · catalog updated Oct 31, 2025 · Open-Xchange GmbH OX App Suite

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-30191 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Open-Xchange GmbH OX App Suite.

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
19.00%
Remediation
Advisory link
Affected products
vendor Open-Xchange GmbH OX App Suite 0 ≤7.6.3-rev77

Malicious content from E-Mail can be used to perform a redressing attack. Users can be tricked to perform unintended actions or provide sensitive information to a third party which would enable further threats. Attribute values containing HTML fragments are now denied by the sanitization procedure. 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 ≤7.6.3-rev770 ≤7.6.3-rev77

How to fix CVE-2025-30191

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in 0 ≤7.6.3-rev77

  • Official advisories

What to do

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

Should you patch?

CVE-2025-30191 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Open-Xchange GmbH OX App Suite.

Which versions are affected?

Compare what you have installed with Open-Xchange GmbH OX App Suite 0 ≤7.6.3-rev77 0 ≤7.6.3-rev77. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 19.00%. 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 31, 2025 · EUVD

    Detected

    Malicious content from E-Mail can be used to perform a redressing attack. Users can be tricked to perform unintended actions or provide sensitive information to a third party which would enable further threats. Attribute values containing HTML fragments are now denied by the sanitization procedure. No publicly available exploits are known

  2. Oct 31, 2025 · EUVD

    Updated

    Malicious content from E-Mail can be used to perform a redressing attack. Users can be tricked to perform unintended actions or provide sensitive information to a third party which would enable further threats. Attribute values containing HTML fragments are now denied by the sanitization procedure. No publicly available exploits are known

Sources

  • EUVDVulnerability recordEUVD-2025-37316

    Malicious content from E-Mail can be used to perform a redressing attack. Users can be tricked to perform unintended actions or provide sensitive information to a third party which would enable further threats. Attribute values containing HTML fragments are now denied by the sani

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 25, 2026