Vulnerability-Lookup

GHSA-M6J6-GFJM-GH8M

Vulnerability from github – Published: 2026-03-19 09:30 – Updated: 2026-03-19 09:30

Details

The Info Cards – Add Text and Media in Card Layouts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'btnUrl' parameter within the Info Cards block in all versions up to, and including, 2.0.7. This is due to insufficient input validation on URL schemes, specifically the lack of javascript: protocol filtering. The block's render.php passes all attributes as JSON to the frontend via a data-attributes HTML attribute using esc_attr(wp_json_encode()), which prevents HTML attribute injection but does not validate URL protocols within the JSON data. The client-side view.js then renders the btnUrl value directly as an href attribute on anchor elements without any protocol sanitization. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject javascript: URLs that execute arbitrary web scripts when a user clicks the rendered button link.

Severity ?

6.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-4120"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-19T07:16:00Z",
    "severity": "MODERATE"
  },
  "details": "The Info Cards \u2013 Add Text and Media in Card Layouts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u0027btnUrl\u0027 parameter within the Info Cards block in all versions up to, and including, 2.0.7. This is due to insufficient input validation on URL schemes, specifically the lack of javascript: protocol filtering. The block\u0027s render.php passes all attributes as JSON to the frontend via a data-attributes HTML attribute using esc_attr(wp_json_encode()), which prevents HTML attribute injection but does not validate URL protocols within the JSON data. The client-side view.js then renders the btnUrl value directly as an href attribute on anchor elements without any protocol sanitization. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject javascript: URLs that execute arbitrary web scripts when a user clicks the rendered button link.",
  "id": "GHSA-m6j6-gfjm-gh8m",
  "modified": "2026-03-19T09:30:18Z",
  "published": "2026-03-19T09:30:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4120"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/block.json#L35"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/render.php#L8"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/view.js#L2"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/block.json#L35"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/render.php#L8"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/render.php?rev=3482902"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/view.js#L2"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/279984d9-f352-467f-a53d-814466d70326?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-4120 (GCVE-0-2026-4120)

Vulnerability from cvelistv5 – Published: 2026-03-19 06:46 – Updated: 2026-04-08 16:42

Title

Info Cards <= 2.0.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes

Summary

Severity ?

6.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

Wordfence

References

URL

Tags

	https://www.wordfence.com/threat-intel/vulnerabil…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…
	https://plugins.trac.wordpress.org/browser/info-c…

Impacted products

	Vendor	Product	Version
	bplugins	Info Cards – Add Text and Media in Card Layouts	Affected: 0 , ≤ 2.0.7 (semver)

Credits

Itthidej Aramsri

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-4120",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-20T15:16:40.756583Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-20T15:23:03.345Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Info Cards \u2013 Add Text and Media in Card Layouts",
          "vendor": "bplugins",
          "versions": [
            {
              "lessThanOrEqual": "2.0.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Itthidej Aramsri"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Info Cards \u2013 Add Text and Media in Card Layouts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u0027btnUrl\u0027 parameter within the Info Cards block in all versions up to, and including, 2.0.7. This is due to insufficient input validation on URL schemes, specifically the lack of javascript: protocol filtering. The block\u0027s render.php passes all attributes as JSON to the frontend via a data-attributes HTML attribute using esc_attr(wp_json_encode()), which prevents HTML attribute injection but does not validate URL protocols within the JSON data. The client-side view.js then renders the btnUrl value directly as an href attribute on anchor elements without any protocol sanitization. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject javascript: URLs that execute arbitrary web scripts when a user clicks the rendered button link."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T16:42:57.427Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/279984d9-f352-467f-a53d-814466d70326?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/render.php#L8"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/render.php#L8"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/view.js#L2"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/view.js#L2"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/block.json#L35"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/tags/2.0.7/build/block.json#L35"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/info-cards/trunk/build/render.php?rev=3482902"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-03-13T13:45:40.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-03-18T00:00:00.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Info Cards \u003c= 2.0.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-4120",
    "datePublished": "2026-03-19T06:46:14.030Z",
    "dateReserved": "2026-03-13T13:30:30.809Z",
    "dateUpdated": "2026-04-08T16:42:57.427Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-M6J6-GFJM-GH8M

CVE-2026-4120 (GCVE-0-2026-4120)

Tags

Sightings

Nomenclature