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CVE-2025-12379

Shortcodes and extra features for Phlox theme <= 2.17.13 - Authenticated (Contributor+) Stored Cross-Site Scripting via Modern Heading Widget

Published: Jan 10, 2026Updated: Jan 13, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.2%
Top 91.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
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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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

Shortcodes and extra features for Phlox themeaverta
On-premCMS Plugin
Web & CMS Plugins / wordpress-theme
avertacommercialWeb & CMS Pluginsaka master slider, phlox theme

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/1144e0d9-692e-45a5-ac63-bcdd64a8bd8a?source=cve
wordfence.com
https://plugins.trac.wordpress.org/browser/auxin-elements/tags/2.17.12/includes/elementor/widgets/heading-modern.php#L1194
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3429103/auxin-elements/trunk/includes/elementor/widgets/heading-modern.php
plugins.trac.wordpress.org

Timeline

Published
Jan 10, 2026
Last Updated
Jan 13, 2026

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