Simple Post Expiration
Simple Post Expiration has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).
The one issue recorded for Simple Post Expiration has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.
All of these findings were reported by Trương Hữu Phúc (truonghuuphuc). Simple Post Expiration is installed on roughly 400 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 4.7.35.
CVE-2025-31734Simple Post Expiration <= 1.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Read the full analysisVulnerability Records
Simple Post Expiration
Author
Syed Balkhi
A simple plugin that allows you to set an expiration date on posts. Once a post is expired, “Expired” will be prefixed to the post title. You can show the expiration status of a post using the [expires] short code. The [expires] short code accepts 5 optional parameters: expires_on – The text to be shown when a post has not yet expired. Default: This item expires on: %s expired – The text to be shown when a post is expired. Default: This item expired on: %s date_format – The format the expiration date should be displayed in class – The class or classes given to the DIV element id – The ID given to the DIV element The %s will be replaced with the expiration date. Have you found a bug or have a suggestion or improvement you’d like to submit? This plugin is available on Github and pull requests are welcome!
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C