Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Unauthenticated network XSS with scope change to browser; no availability impact applies to script injection without denial-of-service capability.
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 Ninja Tables <= 5.2.9 versions.
AnalysisAI
Unauthenticated cross-site scripting in the Ninja Tables WordPress plugin (versions up to and including 5.2.9) enables remote attackers to inject arbitrary JavaScript into victim browsers without any prior authentication. The CVSS vector (PR:N, UI:R, S:C) confirms the attack crosses scope boundaries into the victim's browser session, making session hijacking, credential theft, or admin-context exploitation realistic outcomes. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required on the attacker's part (PR:N), meaning any unauthenticated internet visitor can submit or craft the malicious input. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD-assigned CVSS base score of 7.1 (High) reflects the combination of network accessibility, no required privileges, and cross-scope impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies a WordPress site running Ninja Tables 5.2.9 or earlier and injects a JavaScript payload into a table field or URL parameter that the plugin renders without sanitization. The attacker then social-engineers an administrator - for example via a phishing email containing a link to the affected page - to visit the poisoned URL or table view, causing the script to execute in the admin's browser, steal their session cookie, and transmit it to an attacker-controlled server, resulting in full WordPress site compromise. … |
| Remediation | The primary fix is to update the Ninja Tables plugin to a version beyond 5.2.9 via the WordPress plugin dashboard or by downloading the latest release from the WordPress plugin repository. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Conduct inventory scan to identify all WordPress instances running Ninja Tables plugin versions 5.2.9 or earlier and document their criticality; disable the plugin on non-production or non-essential systems pending patch availability; restrict administrative user access to plugin configuration. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-53959
GHSA-qqc7-4x28-7p78