CVE-2022-50958

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 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-05-10

Modified

2026-10-06

Record from

the NVD, synced 2026-10-19

References

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

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