CVE-2025-31734: WordPress Simple Post Expiration plugin <= 1.0.1 - Cross Site Scripting (XSS) vulnerability
Vulnerability summary
CVE-2025-31734 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in syed balkhi simple post expiration. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.6% of scored vulnerabilities.
Timeline
- 01-04-2025PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Syed Balkhi Simple Post Expiration simple-post-expiration allows DOM-Based XSS.This issue affects Simple Post Expiration: from n/a through <= 1.0.1.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.35% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Syed balkhi1 product
- simple post expiration≤ 1.0.1
Wordpress1 product
- simple-post-expiration≤ 1.0.1
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry