CVE-2016-9487
High
Description
EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation. An attacker who supplies a specially crafted EPUB file may be able to exploit this behavior to read arbitrary files, or have the victim execute arbitrary requests on his behalf, abusing the victim's trust relationship with other entities.
SeverityHigh
CVSS7.8
Exploit probability—
ProductW3 Epubcheck
PublishedJul 13, 2018
First seenJul 13, 2018
Weakness typeCWE-611XML external entity (XXE)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| w3 epubcheck | 4.0.1 | — |
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