Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GT3themes Oyster - Photography WordPress Theme oyster allows DOM-Based XSS.This issue affects Oyster - Photography WordPress Theme: from n/a through <= 4.4.3.
Published: 2026-02-20
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Client-side script execution via Cross‑Site Scripting
Action: Immediate Patch
AI Analysis

Impact

The vulnerability arises from improper neutralization of user input during web page generation, enabling DOM‑Based XSS. Attackers can inject malicious scripts that run in the browser of visitors, potentially leading to defacement, phishing, or session hijacking. The flaw is identified as CWE‑79.

Affected Systems

The issue affects GT3themes’ Oyster – Photography WordPress Theme for all versions up to and including 4.4.3. Users running any of these releases are at risk.

Risk and Exploitability

With a CVSS score of 7.1 the vulnerability is moderate to high. The EPSS score is below 1%, indicating low probability of widespread exploitation, and it is not listed in the CISA KEV catalog. The attack vector is inferred to be remote, typically via a visitor interacting with the site or submitting content through the theme’s front‑end functionality.

Generated by OpenCVE AI on April 27, 2026 at 20:28 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Update the Oyster theme to the latest release that contains the XSS fix.
  • If an update is not immediately possible, disable or remove the theme functionality that accepts unescaped user input.
  • Implement a strict Content Security Policy that blocks inline scripts to reduce the impact if the flaw remains.

Generated by OpenCVE AI on April 27, 2026 at 20:28 UTC.

Tracking

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Advisories

No advisories yet.

History

Mon, 23 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
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'}

ssvc

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

Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Gt3themes
Gt3themes oyster - Photography Wordpress Theme
Wordpress
Wordpress wordpress
Vendors & Products Gt3themes
Gt3themes oyster - Photography Wordpress Theme
Wordpress
Wordpress wordpress

Fri, 20 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GT3themes Oyster - Photography WordPress Theme oyster allows DOM-Based XSS.This issue affects Oyster - Photography WordPress Theme: from n/a through <= 4.4.3.
Title WordPress Oyster - Photography WordPress Theme theme <= 4.4.3 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References

Subscriptions

Gt3themes Oyster - Photography Wordpress Theme
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-04-28T20:55:38.303Z

Reserved: 2025-12-31T20:12:41.875Z

Link: CVE-2025-69367

cve-icon Vulnrichment

Updated: 2026-02-23T22:02:43.465Z

cve-icon NVD

Status : Deferred

Published: 2026-02-20T16:22:20.880

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-69367

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-27T20:30:12Z

Weaknesses