CVE-2022-33154Network attack vector

Authenticated XSS via unencoded HTML output

Published Jul 12, 2022 · Updated Aug 3, 2024

Cross-site scripting in TYPO3 schema extension before 1.13.1 and 2.0.0 through 2.5.0 allows remote authenticated users to execute script via crafted input. The extension emits user-controlled values into HTML without proper context encoding, allowing injected markup or script to run when rendered in the TYPO3 backend. Exploitation requires a TYPO3 backend account and user interaction with the affected rendered content; reported impacts are limited to script-driven confidentiality and integrity loss.

CVSS severity5.4
Medium
EPSS probability0.50%
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 schema extension before 1.13.1 and 2.0.0 through 2.5.0 allows remote authenticated users to execute script via crafted input. The extension emits user-controlled values into HTML without proper context encoding, allowing injected markup or script to run when rendered in the TYPO3 backend. Exploitation requires a TYPO3 backend account and user interaction with the affected rendered content; reported impacts are limited to script-driven confidentiality and integrity loss.

The record

CVE
CVE-2022-33154
Published
Jul 12, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 12, 2022CVE 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4GitHub Advisory DatabaseCVSS: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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