High 7.1Published Jun 26, 2026

CVE-2026-56047WordPress perfmatters plugin <= 2.6.3 - Reflected Cross Site Scripting (XSS) vulnerability

Updated under an hour ago (Oct 26, 2026, 4:23 PM ET)

Does this affect you?

It affects Perfmatters, Powered Kinsta + GeneratePress Docs Changelog Feature requests Legal Affiliate Contact perfmatters. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Perfmatters, Powered Kinsta + GeneratePress Docs Changelog Feature requests Legal Affiliate Contact perfmatters

Exploited in the last 30 days

Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.3 versions.

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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: Patchstack
NVD analysis: Deferred
Record last updated: Jun 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Perfmatters, Powered Kinsta + GeneratePress Docs Changelog Feature requests Legal Affiliate Contact perfmatters perfmatters_powered_kinsta_+_generatepress_docs_changelog_feature_requests_legal_affiliate_contact:perfmatters (from the name)	from n/a through 2.6.3; fixed at 2.6.4	CNA record

References

References

https://patchstack.com/database/wordpress/plugin/perfmatters/vulnerability/wordpress-perfmatters-plugin-2-6-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve	vdb-entry

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.