{"id":44574,"date":"2026-10-23T00:37:59","date_gmt":"2026-10-22T16:37:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2017-20290"},"modified":"2026-10-23T00:37:59","modified_gmt":"2026-10-22T16:37:59","slug":"cve-2017-20290","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2017-20290","title":{"rendered":"CVE-2017-20290 [MEDIUM] &#8211; Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulner"},"content":{"rendered":"<p>Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the email parameter of \/email\/unsubscribed. Attackers can craft GET requests with SVG onload payloads, which unsubscribed.html.erb renders unescaped via html_safe, executing JavaScript in victims&#8217; browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the email parameter of \/email\/unsubscr<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-44574","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/44574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}