Vulnerability Monitor

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CVE-2019-16780

WordPress users with lower privileges (like contributors) can inject JavaScript code in the block editor using a specific payload, which is executed within the dashboard. This can lead to XSS if an admin opens the post in the editor. Execution of this attack does require an authenticated user. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release. Automatic updates are enabled by default for minor releases and we strongly recommend that you keep them enabled.

Published

2019-12-26T17:15:13.503

Last Modified

2024-11-21T04:31:10.637

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
Application	wordpress	wordpress	3.7	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://github.com/WordPress/wordpress-develop/commit/505dd6a20b6fc3d06130018c1caeff764248c29e Patch, Third Party Advisory ([email protected])
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-x3wp-h3qx-9w94 Third Party Advisory ([email protected])
https://hackerone.com/reports/738644 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/commit/505dd6a20b6fc3d06130018c1caeff764248c29e Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-x3wp-h3qx-9w94 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/738644 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)