EUVD-2026-87531
GHSA-f57m-jfx5-32g7
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Low-privileged authenticated user stores script executed in other users' browsers, so PR:L/UI:R with S:C (privilege boundary crossed) and partial C:L/I:L; no availability impact from stored XSS.
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 one of its AJAX handlers, and the nonce protecting it is generated for every visitor, allowing any authenticated user, such as a subscriber, to store arbitrary review content which is later output without escaping on public pages, leading to Stored Cross-Site Scripting.
Articles & Coverage 1
AnalysisAI
Stored cross-site scripting in the WordPress plugin WP Review Slider Pro (wp-review-slider-pro) before 12.7.12 allows any authenticated user - including a low-privileged Subscriber - to persist arbitrary markup into review content that is later rendered without output escaping on public pages, executing script in the browser of any visitor who views them. The root cause is a missing capability check on an AJAX handler combined with a nonce that is issued to every visitor and therefore provides no authorization boundary; the published CVSS vector is network-reachable with low privileges and requires user interaction (CVSS:3.1/AV:N/AC:L/PR:L/UI:R), and although the reporting source scored it 8.0, an independent assessment scores it considerably lower (S:C/C:L/I:L/A:N) because impact is confined to the victim's browser session within the site origin. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated account of any privilege level (the CVSS PR:L and description explicitly cite a Subscriber-level user) on a WordPress site running wp-review-slider-pro before 12.7.12, because the vulnerable AJAX handler lacks a capability check and its nonce is generated for every visitor and therefore provides no meaningful protection. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but moderate-priority issue rather than a top-tier emergency. … 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 - that is the exact vendor-released fixed version identified in the available data (affected range 0 to <12.7.12), and patch availability is confirmed by the vendor/WPScan reporting. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every WordPress installation running WP Review Slider Pro and confirm whether the plugin is active on any internet-facing site; prioritize any instance that permits public user registration or subscriber-level accounts, since that is the path an attacker needs. …
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External POC / Exploit Code
Leaving vuln.today