Open redirect vulnerability in cs.html in the Autonomy (formerly Verity) Ultraseek search engine allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter.

Verity Ultraseek before 5.7 allows remote attackers to use the server as a proxy for web attacks and host scanning via a direct request to the highlight/index.html script.

Verity Ultraseek before 5.7 allows remote attackers to obtain sensitive information via direct requests with (1) a null ("%00") terminated url parameter to help/urlstatusgo.html; or missing parameters to (2) help/header.html, (3) help/footer.html, (4) spell.html, (5) coreforma.html, (6) daterange.html, (7) hits.html, (8) hitsnavbottom.html, (9) indexform.html, (10) indexforma.html, (11) languages.html, (12) nohits.html, (13) onehit1.html, (14) onehit2.html, (15) query.html, (16) queryform0.html, (17) queryform0a.html, (18) queryform1.html, (19) queryform1a.html, (20) queryform2.html, (21) queryform2a.html, (22) quicklinks.html, (23) relatedtopics.html, (24) signin.html, (25) subtopics.html, (26) thesaurus.html, (27) topics.html, (28) hitspagebar.html, (29) highlight/highlight.html, (30) highlight/highlight_one.html, and (31) highlight/topnav.html, which leaks the installation path in the resulting error message.

Absolute path traversal vulnerability in admin/logfile.txt in Verity Ultraseek before 5.6.2 allows remote attackers to read arbitrary files via the name variable.

Verity Ultraseek before 5.2.2 allows remote attackers to obtain the full pathname of the document root via an MS-DOS device name in the web search option, such as (1) NUL, (2) CON, (3) AUX, (4) COM1, (5) COM2, and others.