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Vulnerability record · CVE-2011-2023 · published 14 July 2011

CVE-2011-2023: Squirrelmail cross-site scripting vulnerability

Squirrelmail · Squirrelmail

Cross-site scripting (XSS) vulnerability in functions/mime.php in SquirrelMail before 1.4.22 allows remote attackers to inject arbitrary web script or HTML via a crafted STYLE element in an e-mail message.

4.3 CVSS 2.0 Medium EPSS 2.3% · top 17.2% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in functions/mime.php in SquirrelMail before 1.4.22 allows remote attackers to inject arbitrary web script or HTML via a crafted STYLE element in an e-mail message.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

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

References

LinkTags
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://rhn.redhat.com/errata/RHSA-2012-0103.html
http://securitytracker.com/id?1025766
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=revision&revision=14121 Patch
http://support.apple.com/kb/HT5130
http://www.debian.org/security/2011/dsa-2291
http://www.mandriva.com/security/advisories?name=MDVSA-2011:123
http://www.squirrelmail.org/security/issue/2011-07-10 PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720695 Patch
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://rhn.redhat.com/errata/RHSA-2012-0103.html
http://securitytracker.com/id?1025766
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=revision&revision=14121 Patch
http://support.apple.com/kb/HT5130
http://www.debian.org/security/2011/dsa-2291
http://www.mandriva.com/security/advisories?name=MDVSA-2011:123
http://www.squirrelmail.org/security/issue/2011-07-10 PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720695 Patch

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Related vulnerabilities

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

10.0CVE-2004-0521Sgi propack vulnerabilitySQL injection vulnerability in SquirrelMail before 1.4.3 RC1 allows remote attackers to execute unauthorized SQL statements, with unknown impact, pro…EPSS 3.2%10.0CVE-2002-0516Squirrelmail vulnerabilitySquirrelMail 1.2.5 and earlier allows authenticated SquirrelMail users to execute arbitrary commands by modifying the THEME variable in a cookie.EPSS 11%9.8CVE-2020-14932Squirrelmail deserialization of untrusted data vulnerabilitycompose.php in SquirrelMail 1.4.22 calls unserialize for the $mailtodata value, which originates from an HTTP GET request. This is related to mailto.…EPSS 1.4%8.8CVE-2020-14933Squirrelmail deserialization of untrusted data vulnerabilitycompose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST request. NOTE: the vendor dispute…EPSS 1.4%8.8CVE-2018-8741Squirrelmail path traversal vulnerabilityA directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting serve…EPSS 4.2%8.8CVE-2017-7692Squirrelmail improper input validation vulnerabilitySquirrelMail 1.4.22 (and other versions before 20170427_0200-SVN) allows post-authentication remote code execution via a sendmail.cf file that is mis…EPSS 32%7.5CVE-2007-3636Squirrelmail gpg plugin vulnerabilityMultiple unspecified vulnerabilities in the G/PGP (GPG) Plugin 2.1 for Squirrelmail allow remote attackers to execute arbitrary commands via unspecif…EPSS 3.1%7.5CVE-2007-2631Squirrelmail vulnerabilityCross-site request forgery (CSRF) vulnerability in SquirrelMail 1.4.8-4.fc6 and earlier allows remote attackers to perform unspecified actions as arb…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2011-2023), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.