CVE-2025-28934

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

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.32%Up 0.3 points since Mar 27, 2025

What each source reports

CVE List Score used 7.1

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

Record: CVE-2025-28934
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-8138 7.1

Record: EUVD-2025-8138
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-j2rq-95q8-x377 7.1

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

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.

Record: GHSA-j2rq-95q8-x377
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-28934
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-28934 is a high vulnerability (CVSS 7.1) in Chaozh Simple Post Series, published March 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.