TI-2024-04030 Aliases CVE-2024-4327 GHSA-g666-fcvg-24h3

Apryse WebViewer PDF Document cross site scripting

MEDIUM 50CWE-79Published 2024-04-30 · Updated 2024-08-15

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A vulnerability was found in Apryse WebViewer up to 10.8.0. It has been classified as problematic. This affects an unknown part of the component PDF Document Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 10.9 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-262419. NOTE: The vendor was contacted early about this disclosure and explains that the documentation recommends a strict Content Security Policy and the issue was fixed in release 10.9.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00456 39th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apryse	WebViewer	10.0; 10.1; 10.2; 10.3; 10.4; 10.5; 10.6; 10.7; 10.8	—	No fix listed	CNA

WebViewer VendorApryse Affected 10.0; 10.1; 10.2; 10.3; 10.4; 10.5; 10.6; 10.7; 10.8 Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:apryse:webviewer::::::::	—	—	Apryse

cpe:2.3:a:apryse:webviewer:*:*:*:*:*:*:*:* Versions — — ·Apryse

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-4327
2026-10-03 Alias added: GHSA-g666-fcvg-24h3

References

Exploit 1

https://1drv.ms/b/s!AqJ7dHWS4CD_l0acw2hDjgo-C2zC?e=DOGPmq

Other 1

https://docs.apryse.com/documentation/web/faq/content-security-policy/#recommended-policy

TI-2025-35383 An issue was discovered in the InsertFromURL() function of the Apryse HTML2PDF SDK thru… CVSS 3.1CRITICAL 9.8
TI-2025-35382 A Local File Inclusion (LFI) and a Server-Side Request Forgery (SSRF) vulnerability was… CVSS 3.1HIGH 7.5
TI-2023-05782 Apryse iText Reference Table PdfDocument.java memory leak CVSS 3.1MEDIUM 6.5
TI-2023-05781 Apryse iText PdfDocument.java main array index CVSS 3.1MEDIUM 6.5
TI-2024-37840 A Cross-Site Scripting (XSS) vulnerability in the Rendering Engine component in Apryse… CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences