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Vulnerability record · CVE-2020-11546 · published 14 July 2020

CVE-2020-11546: Superwebmailer code injection vulnerability

Superwebmailer · Superwebmailer

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.

9.8 CVSS 3.1 Critical EPSS 33% · top 1.7% CWE-94 · Code injection
9.8CVSS 3.1 base score, v2 7.5
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.to.com/advisory-superwebmailer-cve-2020-11546/ ExploitThird Party Advisory
https://blog.to.com/advisory-superwebmailer-cve-2020-11546/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-38193Superwebmailer command injection vulnerabilityAn issue was discovered in SuperWebMailer 9.00.0.01710. It allows Remote Code Execution via a crafted sendmail command line.EPSS 1.3%8.8CVE-2023-38190Superwebmailer sql injection vulnerabilityAn issue was discovered in SuperWebMailer 9.00.0.01710. It allows Export SQL Injection via the size parameter.EPSS 0.66%6.1CVE-2024-24131Superwebmailer cross-site scripting vulnerabilitySuperWebMailer v9.31.0.01799 was discovered to contain a reflected cross-site scripting (XSS) vulenrability via the component api.php.EPSS 0.92%6.1CVE-2023-38194Superwebmailer cross-site scripting vulnerabilityAn issue was discovered in SuperWebMailer 9.00.0.01710. It allows keepalive.php XSS via a GET parameter.EPSS 1.1%6.1CVE-2023-38192Superwebmailer cross-site scripting vulnerabilityAn issue was discovered in SuperWebMailer 9.00.0.01710. It allows superadmincreate.php XSS via crafted incorrect passwords.EPSS 1.1%6.1CVE-2023-38191Superwebmailer cross-site scripting vulnerabilityAn issue was discovered in SuperWebMailer 9.00.0.01710. It allows spamtest_external.php XSS via a crafted filename.EPSS 0.48%4.3CVE-2015-2349Superwebmailer cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in defaultnewsletter.php in SuperWebMailer 5.60.0.01190 and earlier allows remote attackers to inject arbitr…EPSS 1.9%8.8CVE-2026-65660Microsoft sharepoint server code injection vulnerabilityImproper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.KEVEPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2020-11546), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.