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Vulnerabilities

GNU Mailman

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

47CVEs
CVE-2016-6893
Cross-site request forgery (CSRF) vulnerability in the user options page in GNU Mailman 2.1.x before 2.1.23 allows remote attackers to hijack the authentication of arbitrary users for requests that modify an option, as demonstrated by gaining access to the credentials of a victim's account.
Published 2016-09-02 · Modified
8.8EPSS 0.016
CVE-2016-7123
Cross-site request forgery (CSRF) vulnerability in the admin web interface in GNU Mailman before 2.1.15 allows remote attackers to hijack the authentication of administrators.
Published 2016-09-02 · Modified
8.8EPSS 0.015
CVE-2021-44227
In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.
Published 2021-12-02 · Modified
8.8EPSS 0.007
CVE-2021-42097
GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged user account, and then use that value in a CSRF attack against an admin (e.g., for account takeover).
Published 2021-10-21 · Modified
8.5EPSS 0.013
CVE-2025-43920
GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.
Published 2025-04-20 · Modified
8.1EPSS 0.006
CVE-2005-4153
Mailman 2.1.4 through 2.1.6 allows remote attackers to cause a denial of service via a message that causes the server to "fail with an Overflow on bad date data in a processed message," a different vulnerability than CVE-2005-3573.
Published 2005-12-11 · Modified
7.8EPSS 0.031
CVE-2015-2775
Directory traversal vulnerability in GNU Mailman before 2.1.20, when not using a static alias, allows remote attackers to execute arbitrary files via a .. (dot dot) in a list name.
Published 2015-04-13 · Modified
7.6EPSS 0.079
CVE-2002-0388
Cross-site scripting vulnerabilities in Mailman before 2.0.11 allow remote attackers to execute script via (1) the admin login page, or (2) the Pipermail index summaries.
Published 2002-05-31 · Modified
7.51 PoCEPSS 0.063
CVE-2002-0855
Cross-site scripting vulnerability in Mailman before 2.0.12 allows remote attackers to execute script as other users via a subscriber's list subscription options in the (1) adminpw or (2) info parameters to the ml-name feature.
Published 2002-08-14 · Modified
7.52 PoCEPSS 0.061
CVE-2006-2191
Format string vulnerability in Mailman before 2.1.9 allows attackers to execute arbitrary code via unspecified vectors. NOTE: the vendor has disputed this vulnerability, stating that it is "unexploitable.
Published 2006-09-19 · Modified
7.5EPSS 0.026
CVE-2001-1132
Mailman 2.0.x before 2.0.6 allows remote attackers to gain access to list administrative pages when there is an empty site or list password, which is not properly handled during the call to the crypt function during authentication.
Published 2002-06-25 · Modified
7.5EPSS 0.025
CVE-2004-1143
The password generation in mailman before 2.1.5 generates only 5 million unique passwords, which makes it easier for remote attackers to guess passwords via a brute force attack.
Published 2005-01-19 · Modified
7.5EPSS 0.016
CVE-2025-43919
GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.
Published 2025-04-20 · Modified
7.5EPSS 0.014
CVE-2000-0861
Mailman 1.1 allows list administrators to execute arbitrary commands via shell metacharacters in the %(listname) macro expansion.
Published 2001-01-22 · Modified
7.2EPSS 0.007
CVE-2006-3636
Multiple cross-site scripting (XSS) vulnerabilities in Mailman before 2.1.9rc1 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Published 2006-09-06 · Modified
6.81 PoCEPSS 0.068
CVE-2003-0965
Cross-site scripting (XSS) vulnerability in the admin CGI script for Mailman before 2.1.4 allows remote attackers to steal session cookies and conduct unauthorized activities.
Published 2004-01-15 · Modified
6.8EPSS 0.020
CVE-2020-12108
/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.
Published 2020-05-06 · Modified
6.5EPSS 0.027
CVE-2018-13796
An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.
Published 2018-07-12 · Modified
6.5EPSS 0.025
CVE-2021-43332
In GNU Mailman before 2.1.36, the CSRF token for the Cgi/admindb.py admindb page contains an encrypted version of the list admin password. This could potentially be cracked by a moderator via an offline brute-force attack.
Published 2021-11-12 · Modified
6.5EPSS 0.012
CVE-2021-34337
An issue was discovered in Mailman Core before 3.3.5. An attacker with access to the REST API could use timing attacks to determine the value of the configured REST API password and then make arbitrary REST API calls. The REST API is bound to localhost by default, limiting the ability for attackers to exploit this, but can optionally be made to listen on other interfaces.
Published 2023-04-15 · Modified
6.3EPSS 0.003
CVE-2018-5950
Cross-site scripting (XSS) vulnerability in the web UI in Mailman before 2.1.26 allows remote attackers to inject arbitrary web script or HTML via a user-options URL.
Published 2018-01-23 · Modified
6.1EPSS 0.046
CVE-2020-12137
GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.
Published 2020-04-24 · Modified
6.1EPSS 0.023
CVE-2021-43331
In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.
Published 2021-11-12 · Modified
6.1EPSS 0.014
CVE-2018-0618
Cross-site scripting vulnerability in Mailman 2.1.26 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.
Published 2018-07-26 · Modified
5.4EPSS 0.020
CVE-2025-43921
GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.
Published 2025-04-20 · Modified
5.3EPSS 0.005
CVE-2001-0884
Cross-site scripting vulnerability in Mailman email archiver before 2.08 allows attackers to obtain sensitive information or authentication credentials via a malicious link that is accessed by other web users.
Published 2002-06-25 · Modified
5.1EPSS 0.019
CVE-2004-0412
Mailman before 2.1.5 allows remote attackers to obtain user passwords via a crafted email request to the Mailman server.
Published 2004-06-03 · Modified
5.0EPSS 0.030
CVE-2005-0202
Directory traversal vulnerability in the true_path function in private.py for Mailman 2.1.5 and earlier allows remote attackers to read arbitrary files via ".../....///" sequences, which are not properly cleansed by regular expressions that are intended to remove "../" and "./" sequences.
Published 2005-02-09 · Modified
5.0EPSS 0.029
CVE-2005-3573
Scrubber.py in Mailman 2.1.5-8 does not properly handle UTF8 character encodings in filenames of e-mail attachments, which allows remote attackers to cause a denial of service (application crash).
Published 2005-11-16 · Modified
5.0EPSS 0.027
CVE-2006-0052
The attachment scrubber (Scrubber.py) in Mailman 2.1.5 and earlier, when using Python's library email module 2.5, allows remote attackers to cause a denial of service (mailing list delivery failure) via a multipart MIME message with a single part that has two blank lines between the first boundary and the end boundary.
Published 2006-03-31 · Modified
5.0EPSS 0.027
CVE-2006-2941
Mailman before 2.1.9rc1 allows remote attackers to cause a denial of service via unspecified vectors involving "standards-breaking RFC 2231 formatted headers".
Published 2006-09-06 · Modified
5.0EPSS 0.026
CVE-2003-0991
Unknown vulnerability in the mail command handler in Mailman before 2.0.14 allows remote attackers to cause a denial of service (crash) via malformed e-mail commands.
Published 2004-09-01 · Modified
5.0EPSS 0.019
CVE-2005-0080
The 55_options_traceback.dpatch patch for mailman 2.1.5 in Ubuntu 4.10 displays a different error message depending on whether the e-mail address is subscribed to a private list, which allows remote attackers to determine the list membership for a given e-mail address.
Published 2005-01-19 · Modified
5.0EPSS 0.014
CVE-2004-0182
Mailman before 2.0.13 allows remote attackers to cause a denial of service (crash) via an email message with an empty subject field.
Published 2004-04-17 · Modified
5.0EPSS 0.013
CVE-2000-0701
The wrapper program in mailman 2.0beta3 and 2.0beta4 does not properly cleanse untrusted format strings, which allows local users to gain privileges.
Published 2000-09-21 · Modified
4.6EPSS 0.004
CVE-2001-0290
Vulnerability in Mailman 2.0.1 and earlier allows list administrators to obtain user passwords.
Published 2001-05-07 · Modified
4.6EPSS 0.003
CVE-2003-0038
Cross-site scripting (XSS) vulnerability in options.py for Mailman 2.1 allows remote attackers to inject script or HTML into web pages via the (1) email or (2) language parameters.
Published 2003-01-29 · Modified
4.32 PoCEPSS 0.048
CVE-2011-0707
Multiple cross-site scripting (XSS) vulnerabilities in Cgi/confirm.py in GNU Mailman 2.1.14 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) full name or (2) username field in a confirmation message.
Published 2011-02-22 · Modified
4.3EPSS 0.042
CVE-2020-15011
GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.
Published 2020-06-24 · Modified
4.3EPSS 0.019
CVE-2004-1177
Cross-site scripting (XSS) vulnerability in the driver script in mailman before 2.1.5 allows remote attackers to inject arbitrary web script or HTML via a URL, which is not properly escaped in the resulting error page.
Published 2005-01-19 · Modified
4.3EPSS 0.018
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