{
 "id": "WPSEC-2026-3124",
 "url": "https://wpsec.com/vuln/WPSEC-2026-3124/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-3124/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-3124/index.md",
 "title": "M Chart <= 2.4 - Unauthenticated Sensitive Information Exposure via Password-Protected Charts",
 "description": "The M Chart plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.4. The plugin ignores a chart's post password: the single chart page (the_content filter), the chart embed endpoint and the block REST endpoint /m-chart/v1/chart/<id> all render or return the chart without checking post_password_required(). This makes it possible for unauthenticated attackers to view the data, table and details of password-protected charts without knowing the password.",
 "plugin": {
  "slug": "m-chart",
  "name": "M Chart",
  "full_name": "M Chart",
  "wordpress_org": "https://wordpress.org/plugins/m-chart/",
  "advisories_url": "https://wpsec.com/vuln/plugin/m-chart/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/m-chart"
 },
 "type": "SENSITIVE DATA DISCLOSURE",
 "cwe": [
  "CWE-200"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 5.3,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "2.4.1",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 2.4.1"
  ]
 },
 "introduced_in": null,
 "fixed_in": "2.4.1",
 "remediation": "Update to 2.4.1 or later.",
 "fix_released": "2026-11-13T03:50:25+00:00",
 "published": "2026-11-14T04:43:41+00:00",
 "updated": "2026-11-13T15:54:41.010149+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-3124/",
  "https://plugins.svn.wordpress.org/m-chart/tags/2.4.1/",
  "https://wordpress.org/plugins/m-chart/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/m-chart",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "Low",
  "as_of": "2026-11-14"
 }
}