CVE-2025-15665Network attack vector

Administrator-level stored XSS via unescaped shortcode field

Published Jul 14, 2026 · Updated Jul 14, 2026

Stored XSS in Themefic Ultimate Before After Image Slider & Gallery – BEAF before 4.7.1 allows remote authenticated users to run scripts. The BEAF Slider widget sends its unescaped shortcode-field value through do_shortcode, which outputs non-shortcode content verbatim on the front end. Administrator-level access is required to save the payload, and execution occurs in each visitor's browser when a page displaying the widget loads.

CVSS severity5.4
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Themefic Ultimate Before After Image Slider & Gallery – BEAF before 4.7.1 allows remote authenticated users to run scripts. The BEAF Slider widget sends its unescaped shortcode-field value through do_shortcode, which outputs non-shortcode content verbatim on the front end. Administrator-level access is required to save the payload, and execution occurs in each visitor's browser when a page displaying the widget loads.

The record

CVE
CVE-2025-15665
Published
Jul 14, 2026
Updated
Jul 14, 2026
Vendor
Themefic
Product
Ultimate Before After Image Slider & Gallery – BEAF
Classifications
T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Themefic · Ultimate Before After Image Slider & Gallery – BEAFversion=0 <4.7.1

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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