How severe is CVE-2025-58430?

CVE-2025-58430 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-58430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-58430?

CVE-2025-58430 affects Nadh Listmonk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-58430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-58430 have an EU (EUVD) identifier?

Yes. CVE-2025-58430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27482.

When was CVE-2025-58430 published?

CVE-2025-58430 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-58430

CVE-2025-58430 is a medium-severity vulnerability in Nadh Listmonk with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 8.6
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27482
Weakness: CWE-79
Affected product: Nadh Listmonk
Published: 2025-09-09
Last modified: 2026-06-17

Description

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 `session` there included `nonce`. The value is not checked and validated by the backend, removing `nonce` 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.

Frequently asked questions

What is CVE-2025-58430?: 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 `session` there included `nonce`. The value is not checked and validated by the backend, removing `nonce` 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.
How severe is CVE-2025-58430?: CVE-2025-58430 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-58430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-58430?: CVE-2025-58430 affects Nadh Listmonk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-58430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-58430 have an EU (EUVD) identifier?: Yes. CVE-2025-58430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27482.
When was CVE-2025-58430 published?: CVE-2025-58430 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://github.com/knadh/listmonk/security/advisories/GHSA-rf24-wg77-gq7w

Affected products (1)

cpe:2.3:a:nadh:listmonk:*:*:*:*:*:*:*:*

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