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CVE Vulnerability Details :
CVE-2026-56047
PUBLISHED
More InfoOfficial Page
Assigner-Patchstack
Assigner Org ID-21595511-bba5-4825-b968-b78d1f9984a3
View Known Exploited Vulnerability (KEV) details
Published At-26 Jun, 2026 | 14:52
Updated At-26 Jun, 2026 | 15:47
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress perfmatters plugin <= 2.6.3 - Reflected Cross Site Scripting (XSS) vulnerability

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

Affected Products
Vendor
Perfmatters, Powered Kinsta + GeneratePress Docs Changelog Feature requests Legal Affiliate Contact
Product
perfmatters
Collection URL
https://wordpress.org/plugins
Package Name
perfmatters
Default Status
unaffected
Versions
Affected
  • From n/a through 2.6.3 (custom)
    • -> unaffectedfrom2.6.4
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-591CAPEC-591 Reflected XSS
CAPEC ID: CAPEC-591
Description: CAPEC-591 Reflected XSS
Solutions

Update the WordPress Perfmatters Plugin to the latest available version (at least 2.6.4).

Configurations
Workarounds
Exploits
Credits
finder
dutafi | Patchstack Bug Bounty Program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
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
Hyperlink: https://patchstack.com/database/wordpress/plugin/perfmatters/vulnerability/wordpress-perfmatters-plugin-2-6-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
Resource:
vdb-entry
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found