Vendor
72 published CVES affecting squirrelmail, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first · page 1 of 3
mime.php in SquirrelMail through 1.4.23-svn-20250401 and 1.5.x through 1.5.2-svn-20250401 allows XSS via e-mail headers, because JavaScript payloads are mishandled after $encoded has been set to true.
compose.php in SquirrelMail 1.4.22 calls unserialize for the $mailtodata value, which originates from an HTTP GET request. This is related to mailto.php.
Squirrelmail 4.0 uses the outdated MD5 hash algorithm for passwords.
XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context v...
The mail message display page in SquirrelMail through 1.4.22 has XSS via SVG animations (animate to attribute).
The mail message display page in SquirrelMail through 1.4.22 has XSS via the formaction attribute.
The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<math xlink:href=" attack.
The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<math><maction xlink:href=" attack.
The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<form action='data:text" attack.
The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.
A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.
SquirrelMail 1.4.22 (and other versions before 20170427_0200-SVN) allows post-authentication remote code execution via a sendmail.cf file that is mishandled in a popen call. It's possible to exploit this vulnerability to execute arbitrary shell commands on the remote server. The...
functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different...
Multiple cross-site request forgery (CSRF) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to hijack the authentication of unspecified victims via vectors involving (1) the empty trash implementation and (2) the Index Order (aka options_order) page, a di...
CRLF injection vulnerability in SquirrelMail 1.4.21 and earlier allows remote attackers to modify or add preference values via a \n (newline) character, a different vulnerability than CVE-2010-4555.
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.
Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) drop-down selection lists, (2) the > (greater than) character in the SquirrelSpell spellchecking plugin,...
functions/page_header.php in SquirrelMail 1.4.21 and earlier does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
functions/imap_general.php in SquirrelMail before 1.4.21 does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of m...
The Mail Fetch plugin in SquirrelMail 1.4.20 and earlier allows remote authenticated users to bypass firewall restrictions and use SquirrelMail as a proxy to scan internal networks via a modified POP3 port number.
Multiple cross-site request forgery (CSRF) vulnerabilities in SquirrelMail 1.4.19 and earlier, and NaSMail before 1.7, allow remote attackers to hijack the authentication of unspecified victims via features such as send message and change preferences, related to (1) functions/mai...
The map_yp_alias function in functions/imap_general.php in SquirrelMail before 1.4.19-1 on Debian GNU/Linux, and possibly other operating systems and versions, allows remote attackers to execute arbitrary commands via shell metacharacters in a username string that is used by the...
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 attack...
Session fixation vulnerability in SquirrelMail before 1.4.18 allows remote attackers to hijack web sessions via a crafted cookie.
The map_yp_alias function in functions/imap_general.php in SquirrelMail before 1.4.18 and NaSMail before 1.7 allows remote attackers to execute arbitrary commands via shell metacharacters in a username string that is used by the ypmatch program.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.