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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.

PUBLISHED Reserved 2026-01-11 | Published 2026-05-10 | Updated 2026-05-10 | Assigner VulnCheck




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

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

9.1
affected

Credits

Milad karimi finder

References

www.exploit-db.com/exploits/50735 (ExploitDB-50735) exploit

wordpress.org/plugins/jetpack (Product Reference) product

www.vulncheck.com/...ite-scripting-via-grunion-form-view-php (VulnCheck Advisory: WordPress Plugin Jetpack 9.1 Cross Site Scripting via grunion-form-view.php) third-party-advisory

cve.org (CVE-2022-50958)

nvd.nist.gov (CVE-2022-50958)

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