CVE-2025-14887

MEDIUM

twinklesmtp WordPress <=1.03 Authenticated Stored XSS via Sender Settings

Title source: llm

Description

The twinklesmtp – Email Service Provider For WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin's sender settings in all versions up to, and including, 1.03 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

References (7)

Core 7

Core References

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L46

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L50

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L84

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L88

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L32

Product

https://plugins.trac.wordpress.org/browser/twinklesmtp/tags/1.0.3/backend/templates/views/settings/sender/default.php#L36

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/223d62cc-61ee-4818-9521-a772c1d57d59?source=cve

Scores

CVSS v3 4.4

EPSS 0.0020

EPSS Percentile 10.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

wpcommerz/twinklesmtp – Email Service Provider For WordPress < 1.03

Published Jan 07, 2026

Tracked Since Feb 18, 2026