The web interface in CUPS before 2.0 does not check that files have world-readable permissions, which allows remote attackers to obtains sensitive information via unspecified vectors.
CUPS before 2.0 allows local users to read arbitrary files via a symlink attack on (1) index.html, (2) index.class, (3) index.pl, (4) index.php, (5) index.pyc, or (6) index.py.
The web interface in CUPS 1.7.4 allows local users in the lp group to read arbitrary files via a symlink attack on a file in /var/cache/cups/rss/ and language set to null. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3537.
Cross-site scripting (XSS) vulnerability in scheduler/client.c in Common Unix Printing System (CUPS) before 1.7.2 allows remote attackers to inject arbitrary web script or HTML via the URL path, related to the is_path_absolute function.
The web interface in CUPS before 1.7.4 allows local users in the lp group to read arbitrary files via a symlink attack on a file in /var/cache/cups/rss/.