CVE-2024-3368Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped meta description

Published May 20, 2024 · Updated Mar 14, 2025

Stored XSS in All in One SEO before 4.6.1.1 allows remote authenticated users with Contributor access to execute scripts. The Meta Description post field accepts HTML event-handler markup and renders it without validation or output escaping when the post is reopened. A Contributor can save the payload in a draft or review submission, and the script runs in the browser of a later editor, including an administrator.

CVSS severity6.1
Medium
EPSS probability0.37%
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 All in One SEO before 4.6.1.1 allows remote authenticated users with Contributor access to execute scripts. The Meta Description post field accepts HTML event-handler markup and renders it without validation or output escaping when the post is reopened. A Contributor can save the payload in a draft or review submission, and the script runs in the browser of a later editor, including an administrator.

The record

CVE
CVE-2024-3368
Published
May 20, 2024
Updated
Mar 14, 2025
Vendor
AIOSEO Plugin Team
Product
All in One SEO
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 14, 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 <4.6.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AIOSEO Plugin Team · All in One SEOversion=0 <4.6.1.1

Published CVSS scores

6.1CISA-ADPCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
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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