CVE-2021-32668Network attack vector

Administrator-triggered script execution via unencoded error messages

Published Jul 20, 2021 · Updated Aug 3, 2024

Cross-site scripting in TYPO3 CMS allows remote authenticated users to execute script through QueryGenerator and QueryView error messages. QueryGenerator and QueryView place improperly encoded error-message content into backend output, enabling reflected and persistent script injection. Exploitation requires an administrator backend account and victim interaction; executed script can read or alter data available to the victim's browser session.

CVSS severity6.4
Medium
EPSS probability0.60%
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 TYPO3 CMS allows remote authenticated users to execute script through QueryGenerator and QueryView error messages. QueryGenerator and QueryView place improperly encoded error-message content into backend output, enabling reflected and persistent script injection. Exploitation requires an administrator backend account and victim interaction; executed script can read or alter data available to the victim's browser session.

The record

CVE
CVE-2021-32668
Published
Jul 20, 2021
Updated
Aug 3, 2024
Vendor
in2code GmbH
Product
TYPO3 CMS
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=>= 10.0.0, < 10.4.18
  2. Affected versionversion=>= 11.0.0, < 11.3.1
  3. Affected versionversion=>= 9.0.0, < 9.5.29

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

in2code GmbH · TYPO3 CMSversion=>= 10.0.0, < 10.4.18; version=>= 11.0.0, < 11.3.1; version=>= 9.0.0, < 9.5.29

Published CVSS scores

4.5TYPO3 AssociationCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
6.4GitHub, Inc.CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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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