Platform
wordpress
Component
post-snippets
Fixed in
4.0.12
A Cross-Site Request Forgery (CSRF) vulnerability exists in the Post Snippets WordPress plugin. This flaw allows an attacker to potentially perform unauthorized actions on a user's account if they are tricked into clicking a malicious link. The vulnerability affects versions from 0.0.0 through 4.0.11, and a fix is available in version 4.0.12.
The CSRF vulnerability in Post Snippets allows an attacker to craft malicious requests that appear to originate from a legitimate user. If a user clicks on a specially crafted link, the attacker could potentially modify post snippets, change plugin settings, or perform other actions as if they were the user. The impact is moderate, as it requires user interaction to trigger the vulnerability. Successful exploitation could lead to unauthorized modifications of content or configuration within a WordPress site.
This vulnerability was publicly disclosed on 2025-12-31. Currently, there are no known public proof-of-concept exploits available. The vulnerability is not listed on the CISA KEV catalog at the time of writing. The medium CVSS score indicates a moderate probability of exploitation if a suitable exploit is developed and widely distributed.
Exploit Status
EPSS
0.02% (5% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2025-63040 is to upgrade the Post Snippets plugin to version 4.0.12 or later. If upgrading is not immediately feasible, consider implementing stricter input validation and output encoding within the plugin's code to reduce the attack surface. Web Application Firewalls (WAFs) configured to detect and block CSRF attacks can also provide a layer of protection. Ensure users are aware of the risks of clicking on suspicious links and practice safe browsing habits.
Update to version 4.0.12, or a newer patched version
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CVE-2025-63040 is a Cross-Site Request Forgery vulnerability affecting the Post Snippets WordPress plugin, allowing attackers to perform unauthorized actions if a user clicks a malicious link.
You are affected if you are using Post Snippets versions 0.0.0 through 4.0.11. Upgrade to 4.0.12 or later to mitigate the risk.
Upgrade the Post Snippets plugin to version 4.0.12 or later. Consider implementing WAF rules and user awareness training as additional safeguards.
As of the last update, there are no confirmed reports of active exploitation, but the vulnerability is publicly known and could be targeted.
Check the Post Snippets plugin's official website or WordPress plugin repository for the latest advisory and update information.
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