Vulnerability index

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Css Validator MEDIUM 6.5
CVE-2025-1781

There is a XXE in W3CSS Validator versions before cssval-20250226 that allows an attacker to use specially-crafted XML objects to coerce server-side …

Fix: 20250226+
Fix from $1,600 2025-03-28
Spell Checker MEDIUM 6.1
CVE-2014-125108

A vulnerability was found in w3c online-spellchecker-py up to 20140130. It has been rated as problematic. This issue affects some unknown processing …

Fix: 2014-01-31+
Fix from $1,600 2023-12-23
Webassembly MEDIUM 5.5
CVE-2023-30300

An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop.

No fix yet
Fix from $1,600 2023-05-03
Unicorn MEDIUM 6.1
CVE-2021-4296

A vulnerability, which was classified as problematic, has been found in w3c Unicorn. This issue affects the function ValidatorNuMessage of the file s…

Fix: 2021-06-03+
Fix from $1,600 2022-12-29
Epubcheck HIGH 7.8
CVE-2016-9487

EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation. An attacker who supplies a s…

Mitigation only
Fix from $1,950 2018-07-13
Amaya HIGH 9.3
CVE-2009-1209EPSS 12%

Stack-based buffer overflow in W3C Amaya Web Browser 11.1 allows remote attackers to execute arbitrary code via a script tag with a long defer attrib…

No fix yet
Fix from $1,950 2009-04-01
Amaya HIGH 10.0
CVE-2009-0323EPSS 62%

Multiple stack-based buffer overflows in W3C Amaya Web Browser 10.0 and 11.0 allow remote attackers to execute arbitrary code via (1) a long type par…

Fix: after 11.0
Fix from $1,950 2009-01-28