CVE-2024-12769Public exploitNetwork attack vector

Stored XSS via unescaped margin setting

Published Mar 25, 2025 · Updated Mar 25, 2025

Stored XSS in Ryan Petersen Simple Banner before 3.0.4 allows remote authenticated users to run script through a crafted setting. The Header Top Margin setting accepts an attribute-breaking payload and returns the saved value to the settings preview without sufficient sanitization or output escaping. Administrator privileges and interaction with the rendered value are required; the flaw remains reachable when unfiltered_html is disabled, including in WordPress multisite.

CVSS severity3.5
Low
EPSS probability0.26%
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 Ryan Petersen Simple Banner before 3.0.4 allows remote authenticated users to run script through a crafted setting. The Header Top Margin setting accepts an attribute-breaking payload and returns the saved value to the settings preview without sufficient sanitization or output escaping. Administrator privileges and interaction with the rendered value are required; the flaw remains reachable when unfiltered_html is disabled, including in WordPress multisite.

The record

CVE
CVE-2024-12769
Published
Mar 25, 2025
Updated
Mar 25, 2025
Vendor
Ryan Petersen
Product
Simple Banner
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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 <3.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Ryan Petersen · Simple Bannerversion=0 <3.0.4

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 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 exploitPublished

Weakness, pattern, technique

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

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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