CVE-2025-69367
DOM-Based XSS in GT3themes Oyster WordPress Theme
Publication date: 2026-02-20
Last updated on: 2026-02-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gt3themes | oyster | to 4.4.3 (inc) |
| gt3themes | oyster_photography_wordpress_theme | to 4.4.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability is a DOM-Based Cross Site Scripting (XSS) issue in the GT3themes Oyster - Photography WordPress Theme up to version 4.4.3. Detection typically involves monitoring for suspicious script injections or unusual HTML payloads executed when users visit the site.
Since there is no official patch and the vulnerability requires user interaction such as clicking a malicious link or visiting a crafted page, detection can be done by analyzing web traffic and logs for unusual requests or payloads targeting the theme.
Specific commands are not provided in the available resources, but common approaches include using web vulnerability scanners that support XSS detection or manual inspection of HTTP requests and responses for injected scripts.
Can you explain this vulnerability to me?
CVE-2025-69367 is a medium priority Cross Site Scripting (XSS) vulnerability affecting the WordPress Oyster - Photography WordPress Theme versions up to and including 4.4.3.
This vulnerability allows an attacker to inject malicious scripts—such as redirects, advertisements, or other HTML payloads—that execute when site visitors access the compromised website.
It is classified under the OWASP Top 10 category A3: Injection.
Exploitation requires no authentication but does require user interaction by a privileged user, such as clicking a malicious link, visiting a crafted page, or submitting a form.
How can this vulnerability impact me? :
This vulnerability can impact you by allowing attackers to execute malicious scripts on your website, which can lead to unauthorized redirects, display of unwanted advertisements, or other harmful HTML payloads.
Such attacks can compromise the integrity and trustworthiness of your website, potentially harming your users and damaging your reputation.
Since exploitation requires user interaction, attackers may trick privileged users into triggering the malicious scripts.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying the mitigation rule issued by Patchstack to block attacks targeting this vulnerability until an official patch is released and tested.
Patchstack recommends immediate mitigation or resolution to protect affected websites and offers automated vulnerability mitigation services to safeguard sites using this theme.
Additionally, limiting user interactions that could trigger the vulnerability, such as avoiding clicking suspicious links or visiting untrusted pages, can reduce risk.