CVE-2026-3778 Stack exhaustion caused by cyclic references in Foxit PDF Editor/Reader

The application does not detect or guard against cyclic PDF object references while handling JavaScript in PDF. When pages and annotations are crafted that reference each other in a loop, passing the document to APIs e.g., SOAP that perform deep traversal can cause uncontrolled recursion, stack...

CVE-2026-3778

CVE-2026-3778 affects Foxit PDF Editor/Reader (Foxit Reader) across platforms as described in connected records. The root cause is cyclic PDF object references created by pages and annotations referencing each other in a loop, which, when the document is processed by APIs that perform deep traver...

CVE-2026-3779 Foxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability

The application's list box calculate array logic keeps stale references to page or form objects after they are deleted or re-created, which allows crafted documents to trigger a use-after-free when the calculation runs and can potentially lead to arbitrary code execution...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities stem from the installer’s elevated...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities stem from the logic of list box calculati...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities arise from failing to detect or prevent...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities stem from the update service’s tendency t...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities stem from potentially insecure direct...

Foxit PDF Reader and Foxit PDF Editor security vulnerabilities

Foxit PDF Reader and Foxit PDF Editor are products of Foxit Corporation, a Chinese company. Foxit PDF Reader is a PDF reader. Foxit PDF Editor is a PDF editor. Both Foxit PDF Reader and Foxit PDF Editor have security vulnerabilities. These vulnerabilities stem from PDF JavaScript and document/pri...

CVE-2026-1591

CVE-2026-1591 is a stored cross-site scripting vulnerability in Foxit PDF Editor Cloud (pdfonline) caused by an unescaped malicious username in the file upload list. The flaw allows arbitrary JavaScript execution when the uploaded list is displayed, affecting pdfonline.foxit.com prior to 2026-02-...

Foxit PDF Editor Cloud security vulnerabilities

Foxit PDF Editor Cloud is a browser-based online PDF editing platform provided by the American company Foxit. Versions of Foxit PDF Editor Cloud prior to February 3, 2026, contained security vulnerabilities. These vulnerabilities stemmed from the inability to clean user input that was embedded in...

Foxit, Epic Games Store, MedDreams vulnerabilities

Cisco Talos' Vulnerability Discovery & Research team recently disclosed three vulnerabilities in Foxit PDF Editor, one in the Epic Games Store, and twenty-one in MedDream PACS. The vulnerabilities mentioned in this blog post have been patched by their respective vendors, all in adherence to Cisco...

Foxit PDF Reader PDF File Editing Code Execution

The vulnerability of the PDF document viewing program Foxit PDF Reader formerly Foxit Reader and the PDF file editing program Foxit PDF Editor formerly Foxit PhantomPDF is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

EUVD-2025-204454

A stored cross-site scripting XSS vulnerability exists in the Digital IDs functionality of the Foxit PDF Editor Cloud pdfonline.foxit.com. The application does not properly sanitize or encode the Common Name field of Digital IDs before inserting user-supplied content into the DOM. As a result,...

CVE-2025-66522 Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name Field

A stored cross-site scripting XSS vulnerability exists in the Digital IDs functionality of the Foxit PDF Editor Cloud pdfonline.foxit.com. The application does not properly sanitize or encode the Common Name field of Digital IDs before inserting user-supplied content into the DOM. As a result,...

CVE-2025-66522

The CVE-2025-66522 issue affects Foxit PDF Editor Cloud (pdfonline.foxit.com) under the Digital IDs feature. The vulnerability arises because the Common Name field in Digital IDs is not properly sanitized/encoded before injecting user-supplied content into the DOM, enabling stored XSS if the Digi...

CVE-2025-66493 Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability

A use-after-free vulnerability exists in the AcroForm handling of Foxit PDF Reader and Foxit PDF Editor before 2025.2.1,14.0.1 and 13.2.1 on Windows . When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced,...

Foxit PDF Editor security vulnerabilities

Foxit PDF Editor is a PDF editor from the Chinese company Foxit Foxit. A security vulnerability exists in Foxit PDF Editor that stems from improperly cleaned inputs in the page template feature, which could lead to stored cross-site scripting...

PT-2025-52434

A stored cross-site scripting XSS vulnerability exists in the Digital IDs functionality of the Foxit PDF Editor Cloud pdfonline.foxit.com. The application does not properly sanitize or encode the Common Name field of Digital IDs before inserting user-supplied content into the DOM. As a result,...

Foxit PDF Reader Pointer Assignment Arbitrary JavaScript Execution

The vulnerability of the Foxit PDF Reader formerly Foxit Reader and the Foxit PDF Editor formerly Foxit PhantomPDF document viewing software is related to pointer assignment errors. Exploiting this vulnerability can allow an attacker to execute arbitrary JavaScript code using a specially crafted...