CVE-2016-9487 describes an XML External Entity (XXE) vulnerability in EpubCheck 4.0.1, affecting the w3 epubcheck product. This flaw allows an attacker to craft malicious EPUB files that, when validated, can lead to arbitrary file disclosure or the execution of arbitrary requests, leveraging the victim's trust relationships. With a CVSS v3.1 score of 7.8 (High), the vulnerability requires user interaction (UI:R) and local access (AV:L) but has high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0.1CPE matchmatch criteria | cpe:2.3:a:w3:epubcheck:4.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.