WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.
History

Sun, 10 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Jetpack
Jetpack jetpack
Wordpress
Wordpress wordpress
Vendors & Products Jetpack
Jetpack jetpack
Wordpress
Wordpress wordpress

Sun, 10 May 2026 12:45:00 +0000

Type Values Removed Values Added
Description WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.
Title WordPress Plugin Jetpack 9.1 Cross Site Scripting via grunion-form-view.php
First Time appeared Automattic
Automattic jetpack Boost
Weaknesses CWE-79
CPEs cpe:2.3:a:automattic:jetpack_boost:9.1:*:*:*:*:*:*:*
Vendors & Products Automattic
Automattic jetpack Boost
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-10T12:12:52.940Z

Reserved: 2026-01-11T13:34:26.332Z

Link: CVE-2022-50958

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-10T13:16:33.440

Modified: 2026-05-10T13:16:33.440

Link: CVE-2022-50958

cve-icon Redhat

No data.