CVE-2009-1581

functions/mime.php in SquirrelMail before 1.4.18 does not protect the application's content from Cascading Style Sheets (CSS) positioning in HTML e-mail messages, which allows remote attackers to spoof the user interface, and conduct cross-site scripting (XSS) and phishing attacks, via a crafted message.

Published: 2009-05-14 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1581 is rated Moderate Risk (43.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.29%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-1581

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 1.78% 1.29% -0.49%
2 2025-03-29 1.29% 1.78% +0.49%
3 2025-03-19 1.29%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1581

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-1581

OS Trackers for CVE-2009-1581

vendor priority summary link
gentoo high CVE-2009-1581: 1 GLSA(s) (201001-08), 1 atom(s) (mail-client/squirrelmail); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1581
redhat low https://access.redhat.com/security/cve/CVE-2009-1581
ubuntu low CVE-2009-1581 low priority: Ubuntu including 1 source packages (squirrelmail), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2009-1581

Affected software / configurations for CVE-2009-1581

Vendor Product Version Raw CPE
squirrelmail squirrelmail cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
squirrelmail squirrelmail <= 1.4.17 cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.1 cpe:2.3:a:squirrelmail:squirrelmail:0.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.1.1 cpe:2.3:a:squirrelmail:squirrelmail:0.1.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.1.2 cpe:2.3:a:squirrelmail:squirrelmail:0.1.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.2 cpe:2.3:a:squirrelmail:squirrelmail:0.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.2.1 cpe:2.3:a:squirrelmail:squirrelmail:0.2.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.3 cpe:2.3:a:squirrelmail:squirrelmail:0.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.3.1 cpe:2.3:a:squirrelmail:squirrelmail:0.3.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.3pre1 cpe:2.3:a:squirrelmail:squirrelmail:0.3pre1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.3pre2 cpe:2.3:a:squirrelmail:squirrelmail:0.3pre2:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.4 cpe:2.3:a:squirrelmail:squirrelmail:0.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.4pre1 cpe:2.3:a:squirrelmail:squirrelmail:0.4pre1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.4pre2 cpe:2.3:a:squirrelmail:squirrelmail:0.4pre2:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.5 cpe:2.3:a:squirrelmail:squirrelmail:0.5:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.5pre1 cpe:2.3:a:squirrelmail:squirrelmail:0.5pre1:*:*:*:*:*:*:*
squirrelmail squirrelmail 0.5pre2 cpe:2.3:a:squirrelmail:squirrelmail:0.5pre2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0 cpe:2.3:a:squirrelmail:squirrelmail:1.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.1 cpe:2.3:a:squirrelmail:squirrelmail:1.0.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.2 cpe:2.3:a:squirrelmail:squirrelmail:1.0.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.3 cpe:2.3:a:squirrelmail:squirrelmail:1.0.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.4 cpe:2.3:a:squirrelmail:squirrelmail:1.0.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.5 cpe:2.3:a:squirrelmail:squirrelmail:1.0.5:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0.6 cpe:2.3:a:squirrelmail:squirrelmail:1.0.6:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0pre1 cpe:2.3:a:squirrelmail:squirrelmail:1.0pre1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0pre2 cpe:2.3:a:squirrelmail:squirrelmail:1.0pre2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.0pre3 cpe:2.3:a:squirrelmail:squirrelmail:1.0pre3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.1.0 cpe:2.3:a:squirrelmail:squirrelmail:1.1.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.1.1 cpe:2.3:a:squirrelmail:squirrelmail:1.1.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.1.2 cpe:2.3:a:squirrelmail:squirrelmail:1.1.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.1.3 cpe:2.3:a:squirrelmail:squirrelmail:1.1.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2 cpe:2.3:a:squirrelmail:squirrelmail:1.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.0 cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.0_rc3 cpe:2.3:a:squirrelmail:squirrelmail:1.2.0_rc3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.1 cpe:2.3:a:squirrelmail:squirrelmail:1.2.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.2 cpe:2.3:a:squirrelmail:squirrelmail:1.2.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.3 cpe:2.3:a:squirrelmail:squirrelmail:1.2.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.4 cpe:2.3:a:squirrelmail:squirrelmail:1.2.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.5 cpe:2.3:a:squirrelmail:squirrelmail:1.2.5:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.6 cpe:2.3:a:squirrelmail:squirrelmail:1.2.6:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.7 cpe:2.3:a:squirrelmail:squirrelmail:1.2.7:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.8 cpe:2.3:a:squirrelmail:squirrelmail:1.2.8:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.9 cpe:2.3:a:squirrelmail:squirrelmail:1.2.9:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.10 cpe:2.3:a:squirrelmail:squirrelmail:1.2.10:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.2.11 cpe:2.3:a:squirrelmail:squirrelmail:1.2.11:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.3.0 cpe:2.3:a:squirrelmail:squirrelmail:1.3.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.3.1 cpe:2.3:a:squirrelmail:squirrelmail:1.3.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.3.2 cpe:2.3:a:squirrelmail:squirrelmail:1.3.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0_rc2a cpe:2.3:a:squirrelmail:squirrelmail:1.4.0_rc2a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.10 cpe:2.3:a:squirrelmail:squirrelmail:1.4.10:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.10a cpe:2.3:a:squirrelmail:squirrelmail:1.4.10a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.11 cpe:2.3:a:squirrelmail:squirrelmail:1.4.11:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.12 cpe:2.3:a:squirrelmail:squirrelmail:1.4.12:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.16 cpe:2.3:a:squirrelmail:squirrelmail:1.4.16:*:*:*:*:*:*:*

References for CVE-2009-1581

URL Tags
http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
http://secunia.com/advisories/35052 Vendor Advisory
http://secunia.com/advisories/35073 Vendor Advisory
http://secunia.com/advisories/35140
http://secunia.com/advisories/35259
http://secunia.com/advisories/40220
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/doc/ChangeLog
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/functions/mime.php?r1=13667&r2=13666&pathrev=13667
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=rev&revision=13667
http://support.apple.com/kb/HT4188
http://www.debian.org/security/2009/dsa-1802
http://www.mandriva.com/security/advisories?name=MDVSA-2009:110
http://www.redhat.com/support/errata/RHSA-2009-1066.html
http://www.securityfocus.com/bid/34916
http://www.squirrelmail.org/security/issue/2009-05-12
http://www.vupen.com/english/advisories/2009/1296 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1481
https://bugzilla.redhat.com/show_bug.cgi?id=500356 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/50463
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10441
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00566.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00572.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00577.html
cvelogic Threat Intelligence