CVE-2025-5587
BaseFortify
Publication date: 2025-07-29
Last updated on: 2025-07-29
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | appzend | 1.2.6 |
| wordpress | appzend | 1.2.7 |
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
Can you explain this vulnerability to me?
CVE-2025-5587 is a Stored Cross-Site Scripting (XSS) vulnerability in the Appzend WordPress theme up to version 1.2.6. It occurs due to insufficient input sanitization and output escaping of the 'progressbarLayout' parameter in the theme's progress bar block rendering function. Authenticated users with Contributor-level access or higher can inject malicious scripts into pages via this parameter. These scripts execute whenever any user views the affected page, potentially compromising site security. [3]
How can this vulnerability impact me? :
This vulnerability allows authenticated users with Contributor-level access or above to inject arbitrary web scripts into pages using the 'progressbarLayout' parameter. When other users visit these pages, the injected scripts execute in their browsers, which can lead to theft of session cookies, defacement, redirection to malicious sites, or other malicious actions. This compromises the security and integrity of the affected WordPress site. [3]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability can negatively impact compliance with standards like GDPR and HIPAA because it may lead to unauthorized access or exposure of personal data through cross-site scripting attacks. Exploitation could result in data breaches or unauthorized data processing, which are violations of these regulations' requirements for protecting user data and ensuring data security.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
To detect this vulnerability, you can check if your WordPress site is using the Appzend theme version 1.2.6 or earlier. Specifically, look for the presence of the 'is-sp-progressbar' class in paragraph blocks, which indicates usage of the vulnerable progress bar block. You can search your WordPress theme files or database content for this class. For example, you can use the following command on your server to find occurrences in theme files: find /path/to/wordpress/wp-content/themes/appzend/ -type f -exec grep -H 'is-sp-progressbar' {} \; Additionally, to detect injected malicious scripts exploiting the 'progressbarLayout' parameter, you can monitor HTTP requests or logs for suspicious payloads targeting this parameter. For example, using grep on web server logs: grep 'progressbarLayout' /var/log/apache2/access.log or grep 'progressbarLayout' /var/log/nginx/access.log These commands help identify if the vulnerable block is present and if there are attempts to exploit the parameter. [3]
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation step is to update the Appzend WordPress theme to version 1.2.7 or later, which includes security fixes that properly escape and sanitize the 'progressbarLayout' parameter and other related attributes to prevent stored cross-site scripting (XSS) attacks. If updating is not immediately possible, restrict Contributor-level and above users from adding or editing content that uses the progress bar block, and monitor for suspicious activity. Additionally, consider applying Web Application Firewall (WAF) rules to block malicious payloads targeting the 'progressbarLayout' parameter until the update can be applied. [2]