CVE-2025-31731

WordPress Author Bio Shortcode Plugin <= 2.5.3 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Philip John Author Bio Shortcode author-bio-shortcode allows Stored XSS.This issue affects Author Bio Shortcode: from n/a through <= 2.5.3.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.37%Up 0.3 points since Apr 2, 2025

What each source reports

CVE List Score used 6.5

WordPress Author Bio Shortcode Plugin <= 2.5.3 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-31731
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-9291 6.5

Record: EUVD-2025-9291
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8fhq-4v9j-268j 6.5

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Philip John Author Bio Shortcode allows Stored XSS. This issue affects Author Bio Shortcode: from n/a through 2.5.3.

Record: GHSA-8fhq-4v9j-268j
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-31731
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

philip john author bio shortcode

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-2025-31731 is a medium vulnerability (CVSS 6.5) in Philip John Author Bio Shortcode, published April 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.