{"id":"CVE-2026-4078","aliases":["EUVD-2026-25407","GHSA-rfwp-57wg-5x36"],"status":"published","title":"ITERAS \u003c= 1.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within \u003cscript\u003e tags using double-quoted string interpolation (line 489: '\"'.$key.'\": \"'.$value.'\"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00257,"percentile":0.17455,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-24T07:45:08Z","modified":"2026-06-17T10:55:57Z","products":[{"vendor":"iteras","product":"iteras"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/bd034f43-370c-4ad9-ad02-4cae0f48d781?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L489"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L489"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L519"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L519"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L511"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L511"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L527"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L527"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L561"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L561"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L551"},{"url":"https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L551"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3507724%40iteras\u0026new=3507724%40iteras\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4078"},{"url":"https://github.com/advisories/GHSA-rfwp-57wg-5x36"}],"sources":{"cve":[{"id":"CVE-2026-4078","title":"ITERAS \u003c= 1.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within \u003cscript\u003e tags using double-quoted string interpolation (line 489: '\"'.$key.'\": \"'.$value.'\"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.","status":"published","published":"2026-04-24T07:45:08.094Z","modified":"2026-04-24T12:36:35.899Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-25407","description":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within \u003cscript\u003e tags using double-quoted string interpolation (line 489: '\"'.$key.'\": \"'.$value.'\"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.","status":"published","published":"2026-04-24T07:45:08Z","modified":"2026-04-24T12:36:35Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:18.636842Z"}],"ghsa":[{"id":"GHSA-rfwp-57wg-5x36","title":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple...","description":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within \u003cscript\u003e tags using double-quoted string interpolation (line 489: '\"'.$key.'\": \"'.$value.'\"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.","status":"published","published":"2026-04-24T09:30:30Z","modified":"2026-04-24T09:30:36Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:37.660763Z"}],"nvd":[{"id":"CVE-2026-4078","description":"The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within \u003cscript\u003e tags using double-quoted string interpolation (line 489: '\"'.$key.'\": \"'.$value.'\"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.","status":"published","published":"2026-04-24T08:16:30.373Z","modified":"2026-06-17T10:55:57.283Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:15.867234Z"}]}}