CVE-2015-8562

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.

CVE-2017-14596

In Joomla! before 3.8.0, inadequate escaping in the LDAP authentication plugin can result in a disclosure of a username and password.

CVE-2017-11612

In Joomla! before 3.7.4, inadequate filtering of potentially malicious HTML tags leads to XSS vulnerabilities in various components.

CVE-2011-2710

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.7.0 allow remote attackers to inject arbitrary web script or HTML via (1) the URI to includes/application.php, reachable through index.php; and, when Internet Explorer or Konqueror is used, (2) allow remote attackers to inject ...

CVE-2017-7986

In Joomla! 1.5.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of specific HTML attributes leads to XSS vulnerabilities in various components.

CVE-2017-11364

The CMS installer in Joomla! before 3.7.4 does not verify a user's ownership of a webspace, which allows remote authenticated users to gain control of the target application by leveraging Certificate Transparency logs.

CVE-2012-1598

Joomla! 1.5.x before 1.5.26 has unspecified impact and attack vectors related to "insufficient randomness" and a "password reset vulnerability."

CVE-2017-7983

In Joomla! 1.5.0 through 3.6.5 (fixed in 3.7.0), mail sent using the JMail API leaked the used PHPMailer version in the mail headers.

CVE-2017-7988

In Joomla! 1.6.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of form contents allows overwriting the author of an article.

CVE-2012-2413

Cross-site scripting (XSS) vulnerability in the ja_purity template for Joomla! 1.5.26 and earlier allows remote attackers to inject arbitrary web script or HTML via the Mod* cookie parameter to html/modules.php.

CVE-2011-2509

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, a...

CVE-2011-4321

The password reset functionality in Joomla! 1.5.x through 1.5.24 uses weak random numbers, which makes it easier for remote attackers to change the passwords of arbitrary users via unspecified vectors.

CVE-2012-1599

Joomla! 1.5.x before 1.5.26 does not properly check permissions, which allows attackers to obtain sensitive "administrative back end information" via unknown vectors. NOTE: this might be a duplicate of CVE-2012-1611.