{"id":81424,"date":"2026-07-03T08:00:19","date_gmt":"2026-07-03T04:30:19","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-9626-json-api-user\/"},"modified":"2026-07-03T08:00:19","modified_gmt":"2026-07-03T04:30:19","slug":"cve-2026-9626-json-api-user","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-9626-json-api-user\/","title":{"rendered":"CVE-2026-9626 &#8211; JSON API User"},"content":{"rendered":"<p>CVE ID :CVE-2026-9626<\/p>\n<p>  Published : July 3, 2026, 4:30 a.m. | 1\u00a0hour, 16\u00a0minutes ago<\/p>\n<p>  Description :The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the &#8216;content&#8217; parameter of the post_comment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the post_comment() function, which passes the attacker-controlled comment_content value directly to wp_insert_comment() without applying any HTML sanitization, and additionally allows the caller to set comment_approved=1 to self-approve the comment and bypass moderation. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-9626 Published : July 3, 2026, 4:30 a.m. | 1\u00a0hour, 16\u00a0minutes ago Description :The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the &#8216;content&#8217; parameter of the post_comment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the post_comment() function, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81424","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81424"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81424\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}