CVE-2024-12423Network attack vector

Reflected XSS via unescaped post parameter

Published Jan 15, 2025 · Updated Apr 8, 2026

Reflected XSS in Business Essentials for Contact Form 7 1.0.7 and earlier allows remote attackers to run scripts via the post parameter. The plugin's includes/admin/tabs_page.php settings-page code renders the attacker-controlled parameter into HTML without sufficient sanitization or output escaping. Execution requires a targeted user to follow a crafted link, and the script then runs in that user's browser under the affected site's origin.

CVSS severity6.1
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Business Essentials for Contact Form 7 1.0.7 and earlier allows remote attackers to run scripts via the post parameter. The plugin's includes/admin/tabs_page.php settings-page code renders the attacker-controlled parameter into HTML without sufficient sanitization or output escaping. Execution requires a targeted user to follow a crafted link, and the script then runs in that user's browser under the affected site's origin.

The record

CVE
CVE-2024-12423
Published
Jan 15, 2025
Updated
Apr 8, 2026
Vendor
Scott Paterson
Product
Business Essentials for Contact Form 7
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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 <=1.0.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Scott Paterson · Business Essentials for Contact Form 7version=0 <=1.0.7

Published CVSS scores

6.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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