TI-2025-20877 Aliases CVE-2025-28934 GHSA-j2rq-95q8-x377

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

LOW 31CWE-79Published 2025-03-26 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00318 24th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
chaozh	Simple Post Series	up to 2.4.4	—	No fix listed	CNA

Simple Post Series Vendorchaozh Affected up to 2.4.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-28934
2026-10-03 Alias added: GHSA-j2rq-95q8-x377

References

Other 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences