Vulnerabilidades

The WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages WordPress plugin through 1.4.3 processes user-supplied input as a regular expression via the wp_geshi_filter_replace_code() function, which could lead to Regular Expression Denial of Service (ReDoS) issue

A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross…

Cross-site scripting (XSS) vulnerability in contrib/langwiz.php in GeSHi before 1.0.8.11 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple directory traversal vulnerabilities in the cssgen contrib module in GeSHi before 1.0.8.11 allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) geshi-path or (2) geshi-lang-path parameter.

The set_language_path function in geshi.php in Generic Syntax Highlighter (GeSHi) before 1.0.8.1 might allow remote attackers to conduct file inclusion attacks via crafted inputs that influence the default language path ($path variable). NOTE: this issue has been disputed by a vendor, stating that only a static value…

The highlighting functionality in geshi.php in GeSHi before 1.0.8 allows remote attackers to cause a denial of service (infinite loop) via an XML sequence containing an opening delimiter without a closing delimiter, as demonstrated using "<".

contrib/example.php in GeSHi before 1.0.7.3 allows remote attackers to read arbitrary files via the language field without a source field set.