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Vulnerabilities

Vulnerability · CVE-2024-37433

mailster mailster Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Jun 28, 2024 · catalog updated Jun 28, 2024 · mailster mailster Improper Neutralization

Patch now

CVE-2024-37433 is in the CISA known-exploited catalog. Confirm mailster mailster Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (mailster mailster Improper Neutralization).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.27%
Remediation
Remediation guidance
Affected products
stated mailster · vendor mailster mailster

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EverPress Mailster mailster.This issue affects Mailster: from n/a through <= 4.0.9.

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.

  • stated mailster<= 4.0.9
  • vendor mailster mailsterversion unspecified

How to fix CVE-2024-37433

What to do

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

Should you patch?

CVE-2024-37433 is in the CISA known-exploited catalog. Confirm mailster mailster Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 4.0.9. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.27%. The CISA KEV listing is the exploitation evidence. 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. Jun 28, 2024 · VulnCheck KEV

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EverPress Mailster mailster.This issue affects Mailster: from n/a through <= 4.0.9.

  2. Jun 28, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2024-37433

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-37433

    30-day exploitation probability 0.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2024-37433

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EverPress Mailster mailster.This issue affects Mailster: from n/a through <= 4.0.9.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.