EUVD-2026-87532
GHSA-hx67-pm9f-r3jv
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Authenticated subscriber (PR:L) plants a payload that runs in a victim's browser on page load (UI:R, S:C); stored XSS yields limited C:L/I:L and no availability impact.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
7DescriptionCVE.org
The wp-review-slider-pro WordPress plugin before 12.7.12 does not perform a capability check on the AJAX handler that saves its review submission forms, and the nonce protecting it is generated for every visitor, allowing any authenticated user, such as a subscriber, to overwrite a live form with field values that are output without escaping on public pages, leading to Stored Cross-Site Scripting.
Articles & Coverage 1
AnalysisAI
Stored cross-site scripting in the WP Review Slider Pro WordPress plugin (versions before 12.7.12) allows any authenticated user, including a Subscriber, to overwrite a live review submission form with unescaped field values because the AJAX save handler performs no capability check and issues a nonce to every visitor. A victim who later views the compromised public form has the injected script executed in their browser (user interaction required), yielding low confidentiality and integrity impact as assessed by CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires (1) an authenticated account on the target WordPress site - any role including Subscriber suffices because the AJAX handler that saves review-submission forms performs no capability check and its nonce is generated for every visitor; and (2) a victim (any site visitor or an administrator) subsequently loading the public page where the compromised form's field values are output without escaping (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals point to a moderate, not urgent, priority. … 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 | Upgrade WP Review Slider Pro to version 12.7.12 or later; this is the vendor-released patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress installations running WP Review Slider Pro and identify every instance below version 12.7.12, prioritizing internet-facing sites that allow self-registration or public review submissions since any authenticated user, including a Subscriber, can trigger the flaw; where immediate patching is not feasible, restrict registration and form submissions to trusted roles and deploy temporary WAF rules blocking script-bearing input to the plugin's AJAX save endpoint. …
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External POC / Exploit Code
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