CVE-2019-16222

WordPress Core < 5.2.3 - Stored Cross-Site Scripting via Comments via URLs

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.

WordPress versiones anteriores a 5.2.3, presenta un problema con el saneamiento de la URL en la función wp_kses_bad_protocol_once en el archivo wp-includes/kses.php, lo que puede conllevar a ataques de tipo cross-site scripting (XSS).

*Credits: Soroush Dalili

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

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

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-09-05 CVE Published
2019-09-11 CVE Reserved
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-09-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (8)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html	Mailing List
https://seclists.org/bugtraq/2020/Jan/8	Mailing List

URL	Date	SRC
https://wpvulndb.com/vulnerabilities/9867	2024-08-05

URL	Date	SRC
https://core.trac.wordpress.org/changeset/45997	2023-01-31
https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68	2023-01-31

URL	Date	SRC
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release	2023-01-31
https://www.debian.org/security/2020/dsa-4599	2023-01-31
https://www.debian.org/security/2020/dsa-4677	2023-01-31

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"				< 5.2.3 Search vendor "Wordpress" for product "Wordpress" and version " < 5.2.3"		-		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
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected