CVE-2025-12379

MEDIUM

Phlox theme <= 2.17.13 - Authenticated Stored XSS via 'tag' and 'title_tag' Parameters

Title source: llm
STIX 2.1

Description

The Shortcodes and extra features for Phlox theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a combination of the 'tag' and ‘title_tag’ parameters in all versions up to, and including, 2.17.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References (3)

Core 3

Scores

CVSS v3 6.4
EPSS 0.0019
EPSS Percentile 8.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/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)
averta/Shortcodes and extra features for Phlox theme < 2.17.13
Published Jan 10, 2026
Tracked Since Feb 18, 2026