WordPress security by component
Mailster
Plugin description
Mailster is a WordPress component with 5 published CVE records in this archive. The latest tracked vulnerability was published Jul 23, 2026; the highest CVE/CNA score is 9.1.
Plugin slug:
mailsterLatest vulnerability
CVE-2026-27064: Mailster: Dangerous file upload
Mailster is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise. The published affected range is n/a through 4.1.17.
| Safe version |
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|---|---|---|---|
| Jul 23, 2026 |
CVE-2026-27064
Mailster: Dangerous file upload
Mailster is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise. The published affected range is n/a through 4.1.17.
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4.1.18 |
CVE9.1
NVDPending
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| Dec 18, 2025 |
CVE-2025-64203
Mailster: Cross-site scripting
Mailster is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE7.1
NVDPending
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| Jul 22, 2024 |
CVE-2024-37433
Mailster: Cross-site scripting
Mailster is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE7.1
NVD6.1
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| May 17, 2024 |
CVE-2024-32523
Mailster: A security weakness
Mailster is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
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See mitigation notes |
CVE8.1
NVDPending
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| Mar 29, 2024 |
CVE-2024-30503
Mailster: Cross-site scripting
Mailster is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE7.1
NVD6.1
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