An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup.
{ "binaries": [ { "binary_version": "1:1.27.4-3", "binary_name": "mediawiki" }, { "binary_version": "1:1.27.4-3", "binary_name": "mediawiki-classes" } ] }
{ "binaries": [ { "binary_version": "1:1.31.7-1", "binary_name": "mediawiki" }, { "binary_version": "1:1.31.7-1", "binary_name": "mediawiki-classes" } ] }
{ "binaries": [ { "binary_version": "1:1.35.6-1", "binary_name": "mediawiki" }, { "binary_version": "1:1.35.6-1", "binary_name": "mediawiki-classes" } ] }
{ "binaries": [ { "binary_version": "1:1.39.7-1", "binary_name": "mediawiki" }, { "binary_version": "1:1.39.7-1", "binary_name": "mediawiki-classes" } ] }
{ "binaries": [ { "binary_version": "1:1.43.1+dfsg-1", "binary_name": "mediawiki" }, { "binary_version": "1:1.43.1+dfsg-1", "binary_name": "mediawiki-classes" } ] }