Medium 6.1Published May 10, 2026

CVE-2022-50958WordPress Plugin Jetpack 9.1 Cross Site Scripting via grunion-form-view.php

Updated under an hour ago (Oct 27, 2026, 8:30 AM ET)

Does this affect you?

It affects Jetpack. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Jetpack

Exploited in the last 30 days

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.

CVSS: 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: May 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

jetpack Jetpack jetpack:jetpack (from the name)	9.1	CNA record

References

References

https://www.exploit-db.com/exploits/50735	exploit
https://wordpress.org/plugins/jetpack	product
https://www.vulncheck.com/advisories/wordpress-plugin-jetpack-cross-site-scripting-via-grunion-form-view-php	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.