CVE-2025-28934: WordPress Simple Post Series plugin <= 2.4.4 - Reflected Cross Site Scripting (XSS) vulnerability

7.1 CVSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Simple Post Series allows Reflected XSS. This issue affects Simple Post Series: from n/a through 2.4.4.

Classification

CVE ID: CVE-2025-28934

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Vendor: NotFound

Product: Simple Post Series

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 9.41% (scored less or equal to compared to others)

EPSS Date: 2025-04-21 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-28934
https://patchstack.com/database/wordpress/plugin/simple-post-series/vulnerability/wordpress-simple-post-series-plugin-2-4-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline