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Vulnerabilities

Vulnerability · CVE-2025-58430

listmonk is a standalone, self-hosted, newsletter and mailing list manager.

Published Sep 9, 2025 · catalog updated Sep 10, 2025 · listmonk is a standalone,

Check if you run it

No confirmed exploitation is on record for CVE-2025-58430. EPSS is 0.14%. Act only if a listed version of listmonk is a standalone, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (listmonk is a standalone,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Advisory link
Affected products
vendor knadh listmonk ≤ 1.1.0

listmonk is a standalone, self-hosted, newsletter and mailing list manager. In versions up to and including 1.1.0, every http request in addition to the session cookie there included . The value is not checked and validated by the backend, removing allows the requests to be processed correctly. This may seem harmless, but if chained to other vulnerabilities it can become a critical vulnerability. Cross-site request forgery and cross-site scripting chained together can result in improper admin account creation. As of time of publication, no patched versions are available.

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 knadh listmonk ≤ 1.1.0≤ 1.1.0

How to fix CVE-2025-58430

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-2025-58430. EPSS is 0.14%. Act only if a listed version of listmonk is a standalone, is installed.

Which versions are affected?

Compare what you have installed with knadh listmonk ≤ 1.1.0 ≤ 1.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. 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. Sep 9, 2025 · EUVD

    Detected

    listmonk is a standalone, self-hosted, newsletter and mailing list manager. In versions up to and including 1.1.0, every http request in addition to the session cookie there included . The value is not checked and validated by the backend, removing allows the requests to be processed correctly. This may seem harmless, but if chained to other vulnerabilities it can become a critical vulnerability.

  2. Sep 10, 2025 · EUVD

    Updated

    listmonk is a standalone, self-hosted, newsletter and mailing list manager. In versions up to and including 1.1.0, every http request in addition to the session cookie there included . The value is not checked and validated by the backend, removing allows the requests to be processed correctly. This may seem harmless, but if chained to other vulnerabilities it can become a critical vulnerability.

Sources

  • CVE.orgVulnerability recordCVE-2025-58430

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-58430

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2025-27482

    listmonk is a standalone, self-hosted, newsletter and mailing list manager. In versions up to and including 1.1.0, every http request in addition to the session cookie there included . The value is not checked and validated by the backend, removing allows the requests to be proce

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

CVE-2025-58430: listmonk is a standalone, self-hosted, newsletter a… · ZeroDay Findings