{"id":"CVE-2026-1910","state":"PUBLISHED","title":"UpMenu <= 3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'upmenu-menu' Shortcode 'lang' Attribute","description":"The UpMenu – Online ordering for restaurants plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'lang' attribute of the 'upmenu-menu' shortcode in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2026-02-14T06:42:33.299Z","updatedAt":"2026-04-08T17:18:35.627Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["upmenu UpMenu – Online ordering for restaurants"],"affected":[{"vendor":"upmenu","product":"UpMenu – Online ordering for restaurants","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/bbb9483b-ee00-4e40-8fa3-eefbbfeb9516?source=cve","https://plugins.trac.wordpress.org/browser/upmenu/trunk/upmenu.php#L720","https://plugins.trac.wordpress.org/browser/upmenu/tags/3.1/upmenu.php#L720"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/1xxx/CVE-2026-1910.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1910","state":"PUBLISHED","datePublished":"2026-02-14T06:42:33.299Z","dateUpdated":"2026-04-08T17:18:35.627Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-02-04T15:31:17.409Z"},"containers":{"cna":{"title":"UpMenu <= 3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'upmenu-menu' Shortcode 'lang' Attribute","descriptions":[{"lang":"en","value":"The UpMenu – Online ordering for restaurants plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'lang' attribute of the 'upmenu-menu' shortcode in all versions up to, and including, 3.1. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"upmenu","product":"UpMenu – Online ordering for restaurants","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/bbb9483b-ee00-4e40-8fa3-eefbbfeb9516?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/upmenu/trunk/upmenu.php#L720"},{"url":"https://plugins.trac.wordpress.org/browser/upmenu/tags/3.1/upmenu.php#L720"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:18:35.627Z"},"credits":[{"lang":"en","type":"finder","value":"Muhammad Yudha - DJ"}],"timeline":[{"time":"2026-02-13T18:33:21.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-17T15:36:34.269040Z","id":"CVE-2026-1910","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-17T15:45:56.757Z"}}]}}}