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CVE-2022-33154

20
FAUCET Score

CVE-2022-33154 describes a Cross-Site Scripting (XSS) vulnerability in the schema (aka Embedding schema.org vocabulary) extension for TYPO3, affecting versions prior to 1.13.1 and 2.x prior to 2.5.1. This medium-severity vulnerability (CVSS 5.4) can be exploited with low attack complexity by a low-privileged attacker, requiring user interaction, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.13.1CPE matchmatch criteria
cpe:2.3:a:schema_project:schema:*:*:*:*:*:typo3:*:*
>= 2.0.0, < 2.5.1CPE matchmatch criteria
cpe:2.3:a:schema_project:schema:*:*:*:*:*:typo3:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 59th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: brotkrueml/schemaFixed in: 2.5.1
composerpatch availablevia ghsa
Product: brotkrueml/schemaFixed in: 1.13.1

Vendor Advisories (1)

composerGHSA-374w-gwqr-fmxgmedium

brotkrueml/schema fails to properly encode user input for output in HTML context, leading to XSS

Jun 17, 2022

References

typo3.org / security/advisory/typo3-ext-sa-2022-012
PatchThird Party Advisory