codelibs fess version before commit faa265b contains a XML External Entity (XXE) vulnerability in GSA XML file parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via specially crafted GSA XML files. This vulnerability appears to have been fixed in after commit faa265b.

Multiple directory traversal vulnerabilities in index.php in Linker IMG 1.0 and earlier allow remote attackers to read and execute arbitrary local files via a URL in the (1) cook_lan cookie parameter ($lan_dir variable) or possibly (2) Sdb_type parameter. NOTE: this was originally reported as remote file inclusion, but this may be inaccurate.

Cross-site scripting (XSS) vulnerability in search.php in Codelib Linker 2.0.4 and earlier allows remote attackers to inject arbitrary web script or HTML via the kword parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Cross-site scripting (XSS) vulnerability in index.php in Codelib Linker 2.0.4 and earlier allows remote attackers to inject arbitrary web script or HTML via the cat parameter.