CVE-2023-33195Public exploitNetwork attack vector

Authenticated script execution via unescaped feed title

Published May 27, 2023 · Updated Jan 14, 2025

Cross-site scripting in the RSS widget in Pixel & Tonic Craft CMS 4.3.0 through 4.4.5 allows remote authenticated users to run script. The externalLink Twig macro concatenates an RSS item title into anchor HTML without escaping it, so markup from a malformed feed is interpreted by the control-panel browser. Access to configure an RSS dashboard widget and a feed containing a crafted item title are required; script runs in the widget viewer's session.

CVSS severity5.0
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in the RSS widget in Pixel & Tonic Craft CMS 4.3.0 through 4.4.5 allows remote authenticated users to run script. The externalLink Twig macro concatenates an RSS item title into anchor HTML without escaping it, so markup from a malformed feed is interpreted by the control-panel browser. Access to configure an RSS dashboard widget and a feed containing a crafted item title are required; script runs in the widget viewer's session.

The record

CVE
CVE-2023-33195
Published
May 27, 2023
Updated
Jan 14, 2025
Vendor
Pixel & Tonic
Product
Craft CMS
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 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=>= 4.3.0, <= 4.4.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Pixel & Tonic · Craft CMSversion=>= 4.3.0, <= 4.4.5

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.0GitHub, Inc.CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

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')

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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