Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Network-delivered reflected/stored XSS requiring victim click; PR:N confirmed; A:N chosen as XSS has no credible server availability impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in Kirki <= 6.2.3 versions.
AnalysisAI
Unauthenticated cross-site scripting (XSS) in the Kirki WordPress customizer plugin (all versions up to and including 6.2.3) allows remote, unauthenticated attackers to inject and execute arbitrary JavaScript in a victim's browser when the victim is socially engineered into visiting a crafted URL or page. The CVSS scope change (S:C) indicates injected script execution escapes the plugin's own context, enabling session hijacking, credential theft, or unauthorized admin actions against authenticated WordPress users. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required to craft or deliver the exploit (PR:N per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.1 score reflects a meaningful but not critical rating: network-accessible (AV:N), low-complexity (AC:L), no authentication required (PR:N), but dependent on user interaction (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies a WordPress site running Kirki 6.2.3 or earlier, then crafts a malicious URL containing an XSS payload targeting the vulnerable Kirki input parameter. The attacker sends this URL to a logged-in WordPress administrator via email or another channel; when the administrator opens the link, the injected JavaScript executes in their browser, exfiltrates their session cookie or WordPress nonce to an attacker-controlled server, and grants the attacker full admin-level access to the WordPress site. … |
| Remediation | The primary remediation is to update the Kirki plugin beyond version 6.2.3 immediately; consult the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/kirki/vulnerability/wordpress-kirki-plugin-6-2-3-cross-site-scripting-xss-vulnerability for the confirmed patched release version, which was not explicitly stated in the available intelligence data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: immediately disable the Kirki customizer plugin version 6.2.3 and earlier, or if functionality is required, restrict administrative customizer access via Web Application Firewall rules blocking the vulnerable endpoints. …
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-60917
GHSA-w6qp-w28w-8m5h