Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Averta Master Slider master-slider allows Reflected XSS.This issue affects Master Slider: from n/a through 3.11.3.
Published: 2026-06-25
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Cross Site Scripting
Action: Patch Immediately
AI Analysis

Impact

Cross‑site scripting is disclosed in the Master Slider plugin for WordPress up to version 3.11.3. The vulnerability results from improper neutralization of input during web page generation, permitting reflected XSS. Malicious payloads injected through the plugin can execute in users’ browsers, enabling attackers to steal session cookies, deface content, or carry out other malicious actions. The weakness is identified as CWE‑79.

Affected Systems

The vulnerability affects WordPress installations that have the Master Slider plugin, Averta vendor, version 3.11.3 or earlier. No other products or versions are mentioned as affected.

Risk and Exploitability

The CVSS score of 7.1 indicates a high severity. Externally, the EPSS score is 0.00251, indicating a very low exploitation probability, and the flaw is not listed in the CISA KEV catalog. Based on the description, the vulnerability is exploitable without authentication and is inferred to be reachable through publicly accessible pages that render the plugin’s output.

Generated by OpenCVE AI on October 7, 2026 at 08:19 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Master Slider to a version newer than 3.11.3
  • If upgrading is not immediately possible, temporarily disable or remove the Master Slider plugin from the site
  • Configure the server to enforce strict output encoding and input sanitization for all data processed by the plugin

Generated by OpenCVE AI on October 7, 2026 at 08:19 UTC.

Tracking

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Advisories

No advisories yet.

History

Tue, 06 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
Description Unauthenticated Cross Site Scripting (XSS) in Master Slider <= 3.11.2 versions. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Averta Master Slider master-slider allows Reflected XSS.This issue affects Master Slider: from n/a through 3.11.3.
Title WordPress Master Slider plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerability WordPress Master Slider plugin <= 3.11.3 - Cross Site Scripting (XSS) vulnerability

Fri, 26 Jun 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 25 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
First Time appeared Averta
Averta master Slider
Wordpress
Wordpress wordpress
Vendors & Products Averta
Averta master Slider
Wordpress
Wordpress wordpress

Thu, 25 Jun 2026 14:00:00 +0000

Type Values Removed Values Added
Description Unauthenticated Cross Site Scripting (XSS) in Master Slider <= 3.11.2 versions.
Title WordPress Master Slider plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Subscriptions

Averta Master Slider
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-10-06T09:26:43.532Z

Reserved: 2026-06-18T09:31:56.471Z

Link: CVE-2026-56014

cve-icon Vulnrichment

Updated: 2026-06-25T23:21:43.180Z

cve-icon NVD

Status : Deferred

Published: 2026-06-25T14:16:50.340

Modified: 2026-10-06T10:16:48.337

Link: CVE-2026-56014

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T08:30:15Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')