{"id":74620,"date":"2025-12-02T01:13:29","date_gmt":"2025-12-01T21:43:29","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-66305-grav-vulnerable-to-denial-of-service-via-improper-input-handling-in-supported-parameter\/"},"modified":"2025-12-02T01:13:29","modified_gmt":"2025-12-01T21:43:29","slug":"cve-2025-66305-grav-vulnerable-to-denial-of-service-via-improper-input-handling-in-supported-parameter","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-66305-grav-vulnerable-to-denial-of-service-via-improper-input-handling-in-supported-parameter\/","title":{"rendered":"CVE-2025-66305 &#8211; Grav vulnerable to Denial of Service via Improper Input Handling in &#8216;Supported&#8217; Parameter"},"content":{"rendered":"<p>CVE ID : CVE-2025-66305<\/p>\n<p>Published :  Dec. 1, 2025, 9:43 p.m. | 42\u00a0minutes ago<\/p>\n<p>Description : Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service (DoS) vulnerability was identified in the &#8220;Languages&#8221; submenu of the Grav admin configuration panel (\/admin\/config\/system). Specifically, the Supported parameter fails to properly validate user input. If a malformed value is inserted\u2014such as a single forward slash (\/) or an XSS test string\u2014it causes a fatal regular expression parsing error on the server. This leads to application-wide failure due to the use of the preg_match() function with an improperly constructed regular expression, resulting in an error. Once triggered, the site becomes completely unavailable to all users. This vulnerability is fixed in 1.8.0-beta.27.<\/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-2025-66305 Published : Dec. 1, 2025, 9:43 p.m. | 42\u00a0minutes ago Description : Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service (DoS) vulnerability was identified in the &#8220;Languages&#8221; submenu of the Grav admin configuration panel (\/admin\/config\/system). Specifically, the Supported parameter fails to properly validate user input. If &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-74620","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74620","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=74620"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74620\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=74620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=74620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=74620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}