CVE-2026-12980
Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable
Description
The Post Snippets WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed.
INFO
Published Date :
Oct. 11, 2026, 7:17 a.m.
Last Modified :
Oct. 11, 2026, 7:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Solution
- Update the Post Snippets plugin to the latest version.
- Ensure user roles have minimal necessary privileges.
- Regularly review plugin code for security issues.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-12980.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-12980 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-12980
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-12980 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-12980 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 11, 2026
Action Type Old Value New Value Added Description The Post Snippets WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/12xxx/CVE-2026-12980.json">CVE-2026-12980</a> Added Reference https://wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/