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Vulnerabilities

Security incident · CVE-2025-54872

onion-site-template is a complete, scalable tor hidden service self-hosting sample.

Published Aug 5, 2025 · catalog updated Aug 6, 2025 · Vessel9817

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-54872. EPSS is 0.37%. Act only if a listed version of Vessel9817 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
vendor Vessel9817 onion-site-template 3196bd896fed58306d42cc9f4c1e0760e8c829c9, < bc9ba0fd8cc7fbb3abc6759b351885a4501bce84

onion-site-template is a complete, scalable tor hidden service self-hosting sample. Versions which include commit 3196bd89 contain a baked-in tor image if the secrets were copied from an existing onion domain. A website could be compromised if a user shared the baked-in image, or if someone were able to acquire access to the user's device outside of a containerized environment. This is fixed by commit bc9ba0fd.

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 Vessel9817 onion-site-template 3196bd896fed58306d42cc9f4c1e0760e8c829c9, < bc9ba0fd8cc7fbb3abc6759b351885a4501bce843196bd896fed58306d42cc9f4c1e0760e8c829c9, < bc9ba0fd8cc7fbb3abc6759b351885a4501bce84

How to fix CVE-2025-54872

  • Upgrade

    CVE-2025-54872 lists a fix boundary at bc9ba0fd8cc7fbb3abc6759b351885a4501bce84. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 3196bd896fed58306d42cc9f4c1e0760e8c829c9 · 1 other packages on the advisory

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

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-2025-54872. EPSS is 0.37%. Act only if a listed version of Vessel9817 is installed.

Which versions are affected?

Compare what you have installed with Vessel9817 onion-site-template 3196bd896fed58306d42cc9f4c1e0760e8c829c9, < bc9ba0fd8cc7fbb3abc6759b351885a4501bce84 3196bd896fed58306d42cc9f4c1e0760e8c829c9, < bc9ba0fd8cc7fbb3abc6759b351885a4501bce84. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 5, 2025 · EUVD

    Detected

    onion-site-template is a complete, scalable tor hidden service self-hosting sample. Versions which include commit 3196bd89 contain a baked-in tor image if the secrets were copied from an existing onion domain. A website could be compromised if a user shared the baked-in image, or if someone were able to acquire access to the user's device outside of a containerized environment. This is fixed by co

  2. Aug 6, 2025 · EUVD

    Updated

    onion-site-template is a complete, scalable tor hidden service self-hosting sample. Versions which include commit 3196bd89 contain a baked-in tor image if the secrets were copied from an existing onion domain. A website could be compromised if a user shared the baked-in image, or if someone were able to acquire access to the user's device outside of a containerized environment. This is fixed by co

Sources

  • CVE.orgVulnerability recordCVE-2025-54872

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-54872

    30-day exploitation probability 0.37%

    first.org
  • EUVDVulnerability recordEUVD-2025-23660

    onion-site-template is a complete, scalable tor hidden service self-hosting sample. Versions which include commit 3196bd89 contain a baked-in tor image if the secrets were copied from an existing onion domain. A website could be compromised if a user shared the baked-in image, or

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026