EUVD-2026-85190
GHSA-rhgj-339r-2wcp
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Unauthenticated network form submission (PR:N/AV:N) but gated on a non-default shortcode-expansion configuration (AC:H); shortcode injection yields limited C/I and page-breakage A:L, no scope change.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
4DescriptionCVE.org
The Ninja Tables WordPress plugin before 5.2.17 does not restrict shortcode expansion to administrator-authored table rows which, in a non-default configuration, allows unauthenticated users to have arbitrary shortcodes executed on a public page, and to permanently break that page, by submitting an ordinary form entry.
AnalysisAI
Arbitrary shortcode execution in the WordPress plugin Ninja Tables before 5.2.17 lets an unauthenticated visitor execute arbitrary shortcodes and permanently break a public page by submitting an ordinary form entry, provided the site is running a non-default configuration in which user-submitted rows are rendered with shortcode expansion. Affected sites require no authentication and no victim interaction (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L, score 5.6); default installations do not expand shortcodes in non-administrator-authored rows and are therefore not exposed, which is why the vendor rated attack complexity as High. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the site to run Ninja Tables before 5.2.17 AND a specific non-default configuration in which table rows can be populated by user-submitted form entries and those non-administrator-authored rows are rendered with shortcode expansion on a public page. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a modest-severity issue whose real-world priority is bounded by a non-default configuration requirement. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade Ninja Tables to 5.2.17 or later, which is the version boundary identified as containing the fix; this is the primary and preferred remediation and applies to every site running an earlier release, even those not currently using the affected configuration. … Detailed patch versions, workarounds, and compensating controls in full report. |
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