CVE-2017-6817

WordPress Core < 4.7.3 - Authenticated Cross-Site Scripting in Youtube URL Embeds

Severity Score

6.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In WordPress before 4.7.3 (wp-includes/embed.php), there is authenticated Cross-Site Scripting (XSS) in YouTube URL Embeds.

En WordPress en versiones anteriores a 4.7.3 (wp-includes/embed.php), hay secuencias de comandos en sitios cruzados (XSS) autenticada en URLs incrustadas de YouTube .

Several vulnerabilities were discovered in wordpress, a web blogging tool. They would allow remote attackers to delete unintended files, mount Cross-Site Scripting attacks, or bypass redirect URL validation mechanisms. For the stable distribution (jessie), these problems have been fixed in version 4.1+dfsg-1+deb8u13. For the upcoming stable (stretch) and unstable (sid) distributions, these problems have been fixed in version 4.7.3+dfsg-1.

*Credits: Marc-Alexandre Montpas

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-03-06 CVE Published
2017-03-11 CVE Reserved
2024-08-05 CVE Updated
2025-08-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (7)

URL	Tag	Source
http://www.securityfocus.com/bid/96601	Third Party Advisory
http://www.securitytracker.com/id/1037959	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://codex.wordpress.org/Version_4.7.3	2019-03-19
https://github.com/WordPress/WordPress/commit/419c8d97ce8df7d5004ee0b566bc5e095f0a6ca8	2019-03-19
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release	2019-03-19
https://wpvulndb.com/vulnerabilities/8768	2019-03-19

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3815	2019-03-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				<= 4.7.2 Search vendor "Wordpress" for product "Wordpress" and version " <= 4.7.2"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected