EUVD-2026-42863
GHSA-j5hg-6jfj-8wjc
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Stored XSS requires a victim to load the injected page (UI:R); contributor auth required (PR:L); payload executes in victim browser context causing scope change (S:C); no availability impact.
Primary rating from Vendor (wordfence).
CVSS VectorVendor: wordfence
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Logo Slider - Logo Carousel, Client Logo Slider & Brand Showcase for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'lgx_tooltip_position' parameter in all versions up to, and including, 5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AnalysisAI
Stored Cross-Site Scripting in the Logo Slider WordPress plugin (all versions through 5.5) allows authenticated contributors to inject persistent JavaScript payloads via the 'lgx_tooltip_position' parameter, executing in the browser of any user who subsequently visits an affected page. The CVSS scope change (S:C) reflects that injected scripts execute in victim browser contexts - enabling session hijacking or privilege escalation against higher-privileged users including site administrators. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress account with at minimum the contributor role - the lowest role that can create or edit content in WordPress by default. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 6.4 (Medium) reflects network reachability (AV:N), low complexity (AC:L), low-privilege authentication (PR:L), and cross-user scope change (S:C), with limited confidentiality and integrity impact (C:L/I:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker holding a contributor account on the targeted WordPress site navigates to the logo slider item editor and inserts a JavaScript payload - such as a cookie-stealing script pointing to an attacker-controlled server - into the lgx_tooltip_position field. Once saved, the payload is stored in the database and rendered on every page embedding that slider. … |
| Remediation | Update the Logo Slider plugin to the version released after changeset 3601263, available via the WordPress Plugin Repository or directly reviewed at https://plugins.trac.wordpress.org/changeset?reponame=&old=3601263%40logo-slider-wp&new=3601263%40logo-slider-wp. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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