CVE-2025-30943
BaseFortify
Publication date: 2025-07-04
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
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?
This vulnerability is a Cross Site Scripting (XSS) issue in the WordPress Posts Slider Shortcode plugin version 1.0 and earlier. It allows attackers with contributor-level privileges to inject malicious scripts, such as redirects or advertisements, that execute when visitors access the affected website. The vulnerability is DOM-based and arises from improper neutralization of input during web page generation. [1]
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts on your website, potentially leading to unauthorized redirects, display of unwanted advertisements, or other harmful HTML payloads. This can compromise the integrity and trustworthiness of your website, potentially harming users and damaging your site's reputation. Since the plugin is abandoned with no official fix, the risk remains unless the plugin is removed or a virtual patch is applied. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves identifying the presence of the vulnerable Posts Slider Shortcode plugin version 1.0 or earlier on your WordPress site. Since the vulnerability is DOM-based XSS exploitable by contributor-level users, monitoring for unusual script injections or unexpected redirects in web traffic may help. Specific commands are not provided in the resources, but scanning your WordPress plugins directory for the plugin version and reviewing web server logs for suspicious activity is recommended. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include removing and replacing the vulnerable Posts Slider Shortcode plugin with an alternative solution, as no official fix or updated version is available. Deactivating the plugin alone is insufficient unless a virtual patch (vPatch) is applied. Patchstack offers virtual patching to auto-mitigate the vulnerability. Users should urgently replace the plugin and consider professional incident response if compromise is suspected. [1]