{"cve":{"cve_id":"CVE-2026-3659","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00322,"epss_percentile":0.23797,"epss_as_of":"2026-06-23","description":"The WP Circliful plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute of the [circliful] shortcode and via multiple shortcode attributes of the [circliful_direct] shortcode in all versions up to and including 1.2. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the circliful_shortcode() function, the 'id' attribute value is concatenated directly into an HTML id attribute (line 285) without any escaping, allowing an attacker to break out of the double-quoted attribute and inject arbitrary HTML event handlers. Similarly, the circliful_direct_shortcode() function (line 257) outputs all shortcode attributes directly into HTML data-* attributes without escaping. 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.","published_at":"2026-04-15T08:28:13.507000Z","last_modified_at":null,"cvss_v3_score":6.4,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-79"],"nvd_references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/030534e2-bf7d-42e4-94a1-986f629bea15?source=cve","https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L285","https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L285","https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L257","https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L257","https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L263","https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L263","https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L241","https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L241"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:04.943309Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"bappidgreat","vendor_name":"bappidgreat","product_slug":"wp-circliful","product_name":"WP Circliful","version_start":"0","version_start_inclusive":true,"version_end":"1.2","version_end_inclusive":true,"cpe23_uri":"cve5:bappidgreat:wp-circliful:0:1.2"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/030534e2-bf7d-42e4-94a1-986f629bea15?source=cve","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L285","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L285","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L257","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L257","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L263","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L263","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L241","source_type":"MISC","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L241","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-04-15T08:28:13.507000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"}]}