CVE-2025-8777
BaseFortify
Publication date: 2025-09-30
Last updated on: 2025-10-02
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | planetcalc | 2.2 |
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 Stored Cross-Site Scripting (XSS) issue in the planetcalc WordPress plugin up to version 2.2. It occurs because the plugin does not properly sanitize or escape the 'language' parameter input. Authenticated users with Contributor-level access or higher can inject malicious scripts into pages, which then execute whenever other users view those pages.
How can this vulnerability impact me? :
The vulnerability allows attackers with Contributor-level access or above to inject arbitrary web scripts into pages. This can lead to unauthorized actions such as stealing user credentials, session hijacking, defacing websites, or spreading malware to users who visit the affected pages.
What immediate steps should I take to mitigate this vulnerability?
Since the planetcalc plugin version 2.2 and earlier is vulnerable, immediate mitigation steps include disabling or uninstalling the planetcalc plugin until a secure update or patch is released. Additionally, restrict Contributor-level access to trusted users only to reduce risk of exploitation. Monitor for plugin updates or official patches from the developers before re-enabling the plugin. [1]