{"id":77541,"date":"2026-02-20T05:46:55","date_gmt":"2026-02-20T02:16:55","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-27016-librenms-has-stored-xss-in-custom-oid-unit-parameter-missing-strip_tags\/"},"modified":"2026-02-20T05:46:55","modified_gmt":"2026-02-20T02:16:55","slug":"cve-2026-27016-librenms-has-stored-xss-in-custom-oid-unit-parameter-missing-strip_tags","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-27016-librenms-has-stored-xss-in-custom-oid-unit-parameter-missing-strip_tags\/","title":{"rendered":"CVE-2026-27016 &#8211; LibreNMS has Stored XSS in Custom OID &#8211; unit parameter missing strip_tags()"},"content":{"rendered":"<p>CVE ID : CVE-2026-27016<\/p>\n<p>Published :  Feb. 20, 2026, 2:16 a.m. | 44\u00a0minutes ago<\/p>\n<p>Description : LibreNMS is an auto-discovering PHP\/MySQL\/SNMP based network monitoring tool. Versions 24.10.0 through 26.1.1 are vulnerable to Stored XSS via the unit parameter in Custom OID. The Custom OID functionality lacks strip_tags() sanitization while other fields (name, oid, datatype) are sanitized. The unsanitized value is stored in the database and rendered without HTML escaping. This issue is fixed in version 26.2.0.<\/p>\n<p>Severity: 5.4 | MEDIUM<\/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-2026-27016 Published : Feb. 20, 2026, 2:16 a.m. | 44\u00a0minutes ago Description : LibreNMS is an auto-discovering PHP\/MySQL\/SNMP based network monitoring tool. Versions 24.10.0 through 26.1.1 are vulnerable to Stored XSS via the unit parameter in Custom OID. The Custom OID functionality lacks strip_tags() sanitization while other fields (name, oid, datatype) are &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-77541","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77541","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=77541"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77541\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=77541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=77541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=77541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}