Vulnerability Monitor

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CVE-2019-16781

In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.

Published

2019-12-26T17:15:13.613

Last Modified

2024-11-21T04:31:10.783

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-79
Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wordpress	wordpress	< 5.3.1	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v Third Party Advisory ([email protected])
https://hackerone.com/reports/731301 Permissions Required, Third Party Advisory ([email protected])
https://seclists.org/bugtraq/2020/Jan/8 Mailing List, Third Party Advisory ([email protected])
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ Release Notes, Third Party Advisory ([email protected])
https://wpvulndb.com/vulnerabilities/9976 Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4599 Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4677 Third Party Advisory ([email protected])
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/731301 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2020/Jan/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wpvulndb.com/vulnerabilities/9976 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4599 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4677 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)