CVE-2022-50958CWE-79cross-site-scripting

CVE-2022-50958

Medium · published May 10, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
9.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00204 · 9.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-10T17:16Z
References (3)
https://wordpress.org/plugins/jetpack · [email protected]https://www.exploit-db.com/exploits/50735 · [email protected]https://www.vulncheck.com/advisories/wordpress-plugin-jetpack-cross-site-scripting-via-grunion-form-view-php · [email protected]
EPSS history
Timeline
  • 10 MAY 12:12Z
    WordPress Plugin Jetpack 9.1 Cross Site Scripting via grunion-form-view.php
    cvelistv5