How severe is CVE-2022-33154?

CVE-2022-33154 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-33154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33154?

CVE-2022-33154 affects Schema Project Schema. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-33154 published?

CVE-2022-33154 was published on 2022-07-12 and last updated on 2026-06-17.

CVE-2022-33154

CVE-2022-33154 is a medium-severity vulnerability in Schema Project Schema with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Schema Project Schema
Published: 2022-07-12
Last modified: 2026-06-17

Description

The schema (aka Embedding schema.org vocabulary) extension before 1.13.1 and 2.x before 2.5.1 for TYPO3 allows XSS.

Frequently asked questions

What is CVE-2022-33154?: The schema (aka Embedding schema.org vocabulary) extension before 1.13.1 and 2.x before 2.5.1 for TYPO3 allows XSS.
How severe is CVE-2022-33154?: CVE-2022-33154 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-33154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33154?: CVE-2022-33154 affects Schema Project Schema. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33154 published?: CVE-2022-33154 was published on 2022-07-12 and last updated on 2026-06-17.

References

https://typo3.org/security/advisory/typo3-ext-sa-2022-012

Affected products (1)

cpe:2.3:a:schema_project:schema:*:*:*:*:*:typo3:*:*

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