{"id":"CVE-2023-5109","state":"PUBLISHED","title":"WP Mailto Links – Protect Email Addresses <= 3.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The WP Mailto Links – Protect Email Addresses plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'wpml_mailto' shortcode in versions up to, and including, 3.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This was partially patched in version 3.1.3 and fully patched in version 3.1.4.","publishedAt":"2023-10-20T07:29:39.362Z","updatedAt":"2026-04-08T17:31:25.420Z","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":["onlineoptimisation WP Mailto Links – Protect Email Addresses"],"affected":[{"vendor":"onlineoptimisation","product":"WP Mailto Links – Protect Email Addresses","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/ec882062-0059-47ca-a007-3347e7adb70b?source=cve","https://plugins.trac.wordpress.org/browser/wp-mailto-links/tags/3.1.2/core/includes/classes/class-wp-mailto-links-validate.php#L582"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/5xxx/CVE-2023-5109.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-5109","state":"PUBLISHED","datePublished":"2023-10-20T07:29:39.362Z","dateUpdated":"2026-04-08T17:31:25.420Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-09-21T17:18:03.380Z"},"containers":{"cna":{"title":"WP Mailto Links – Protect Email Addresses <= 3.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","descriptions":[{"lang":"en","value":"The WP Mailto Links – Protect Email Addresses plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'wpml_mailto' shortcode in versions up to, and including, 3.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This was partially patched in version 3.1.3 and fully patched in version 3.1.4."}],"affected":[{"vendor":"onlineoptimisation","product":"WP Mailto Links – Protect Email Addresses","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ec882062-0059-47ca-a007-3347e7adb70b?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wp-mailto-links/tags/3.1.2/core/includes/classes/class-wp-mailto-links-validate.php#L582"}],"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":"2026-04-08T17:31:25.420Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2023-09-21T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-09-21T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-09-22T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ec882062-0059-47ca-a007-3347e7adb70b?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/wp-mailto-links/tags/3.1.2/core/includes/classes/class-wp-mailto-links-validate.php#L582","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:44:53.857Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T18:22:19.323747Z","id":"CVE-2023-5109","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":"2025-02-05T19:02:56.651Z"}}]}}}