Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | mailman | 2.1.5-8sarge5 | DSA-1188-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | mailman | 3:2.1.5.1-34.rhel4.5 | RHSA-2006:0600 |
| RHEL 3 | mailman | 3:2.1.5.1-25.rhel3.7 | RHSA-2006:0600 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Mailman 2.1.x - Multiple Input Validation Vulnerabilities EDB-28570 · webapps · Sep 14, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- RHSA-2006:0600 Red Hat Security Advisory: mailman security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1188-1 mailman Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2006-3446 vdb-entry
- DSA-1188 vendor-advisory
- [Mailman-Announce] 20060913 RELEASED: Mailman 2.1.9 mailing-list
- 19831 vdb-entry
- 22639 third-party-advisory
- 1016808 vdb-entry
- 21879 third-party-advisory
- 20021 vdb-entry
- oval:org.mitre.oval:def:10553 vdb-entry signature
- USN-345-1 vendor-advisory
- GLSA-200609-12 vendor-advisory
- 20060913 Mailman 2.1.8 Multiple Security Issues mailing-list
- 22227 third-party-advisory
- SUSE-SR:2006:025 vendor-advisory
- MDKSA-2006:165 vendor-advisory
- 21792 third-party-advisory
- RHSA-2006:0600 vendor-advisory
- http://sourceforge.net/project/shownotes.php?group_id=103&release_id=444295
- 21732 third-party-advisory
- http://moritz-naumann.com/adv/0013/mailmanmulti/0013.txt
- 22011 third-party-advisory
- 22020 third-party-advisory
- mailman-unspecified-xss(28731) vdb-entry