CVE-2025-26734

WordPress Hester plugin <= 1.1.10 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in peregrinethemes Hester hester allows Stored XSS.This issue affects Hester: from n/a through <= 1.1.10.

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

0.23%Up 0.2 points since Mar 28, 2025

What each source reports

CVE List Score used 6.5

WordPress Hester plugin <= 1.1.10 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-26734
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-2025-8420 6.5

Record: EUVD-2025-8420
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-c2rm-4wxp-4832 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 peregrinethemes Hester allows Stored XSS.This issue affects Hester: from n/a through 1.1.10.

Record: GHSA-c2rm-4wxp-4832
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-2025-26734
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

peregrinethemes hester

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-2025-26734 is a medium vulnerability (CVSS 6.5) in Peregrinethemes Hester, published March 27, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.