Weaknesses in this category are related to improper handling of special elements within particular technologies. 699 Weakness ChildOf 138 Note that special elements problems can arise from designs or languages that do not separate "code" from "data"; or mix meta-information with information. Developers should anticipate that technology-specific special elements will be injected/removed/manipulated in the input vectors of their software system. Use an appropriate combination of black lists and white lists to ensure only valid, expected and appropriate input is processed by the system. Technology-Specific Special Elements PLOVER CWE Content Team MITRE 2008-09-08 updated Relationships, Other_Notes, Taxonomy_Mappings CWE Content Team MITRE 2011-03-29 updated Other_Notes