CVE-2024-12683Public exploitNetwork attack vector

Stored XSS via unescaped maintenance headings

Published Mar 26, 2025 · Updated Mar 26, 2025

Stored XSS in Smart Maintenance Mode before 1.5.2 allows remote authenticated users to inject script through maintenance-page settings. The heading and sub-heading fields are stored without sanitization or output escaping and are rendered on the public maintenance page. Administrator access is required even when unfiltered_html is disabled, and a visitor must load the page for the injected script to execute in that browser.

CVSS severity3.5
Low
EPSS probability0.28%
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 Smart Maintenance Mode before 1.5.2 allows remote authenticated users to inject script through maintenance-page settings. The heading and sub-heading fields are stored without sanitization or output escaping and are rendered on the public maintenance page. Administrator access is required even when unfiltered_html is disabled, and a visitor must load the page for the injected script to execute in that browser.

The record

CVE
CVE-2024-12683
Published
Mar 26, 2025
Updated
Mar 26, 2025
Vendor
Brijesh Kothari
Product
Smart Maintenance Mode
Classifications
CWE-79, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2025Record 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 <1.5.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Brijesh Kothari · Smart Maintenance Modeversion=0 <1.5.2

Published CVSS scores

3.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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