Description
Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web script or HTML via a file attachment that is processed by the Display feature. NOTE: the severity of this issue has been disputed by the developer.
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 ↗Advisories 1
- DSA-793-1 courier - missing input sanitising Debian Security (DSA / DLA) · Mar 9, 2026
References
- 16539 third-party-advisory
- 20050824 Secunia Research: SqWebMail Attached File Script Insertion mailing-list
- DSA-793 vendor-advisory
- 17156 third-party-advisory
- sqwebmail-contenttype-script-execution(21997) vdb-entry
- [courier-users] 20050824 Re: [SECUNIA] Vulnerability in SqWebMail mailing-list
- USN-201-1 vendor-advisory
- http://secunia.com/secunia_research/2005-35/advisory/
- 14650 vdb-entry