CVE-2023-2817Public exploitNetwork attack vector

Stored script execution via unescaped field labels

Published May 26, 2023 · Updated Jan 15, 2025

Stored XSS in Pixel & Tonic Craft CMS 4.4.11 and earlier allows remote authenticated users to execute script in other users' browsers. BaseElementIndex and CustomizeSourcesModal insert field-derived option labels without passing them to Craft.escapeHtml. An account able to create a field and attach it to a category or section can trigger the payload when another user opens Categories or Entries.

CVSS severity5.4
Medium
EPSS probability0.44%
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 Pixel & Tonic Craft CMS 4.4.11 and earlier allows remote authenticated users to execute script in other users' browsers. BaseElementIndex and CustomizeSourcesModal insert field-derived option labels without passing them to Craft.escapeHtml. An account able to create a field and attach it to a category or section can trigger the payload when another user opens Categories or Entries.

The record

CVE
CVE-2023-2817
Published
May 26, 2023
Updated
Jan 15, 2025
Vendor
Pixel & Tonic
Product
Craft CMS
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=versions prior or equal to version 4.4.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Pixel & Tonic · Craft CMSversion=versions prior or equal to version 4.4.11

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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