CVE-2026-31898
jsPDF has a PDF Object Injection via FreeText color
描述
### Impact User control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to the following method, a user can inject arbitrary PDF objects, such as JavaScript actions, which might trigger when the PDF is opened or interacted with.. * `createAnnotation`: `color` parameter Example attack vector: ```js import { jsPDF } from 'jspdf' const doc = new jsPDF(); const payload = '000000) /AA <</E <</S /Launch /F (calc.exe)>>>> ('; doc.createAnnotation({ type: 'freetext', bounds: { x: 10, y: 10, w: 120, h: 20 }, contents: 'hello', color: payload }); doc.save('test.pdf'); ``` ### Patches The vulnerability has been fixed in jsPDF@4.2.1. ### Workarounds Sanitize user input before passing it to the vulnerable API members.
如何修補 CVE-2026-31898
要修補 CVE-2026-31898,請將受影響套件升級到下列已修補版本。
- —升級至 4.2.1 或更新版本
CVE-2026-31898 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.2.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |