How severe is CVE-2022-33157?

CVE-2022-33157 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-33157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33157?

CVE-2022-33157 affects Libconnect Project Libconnect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33157?

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

When was CVE-2022-33157 published?

CVE-2022-33157 was published on 2022-07-12 and last updated on 2026-06-17.

CVE-2022-33157

CVE-2022-33157 is a medium-severity vulnerability in Libconnect Project Libconnect with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Libconnect Project Libconnect
Published: 2022-07-12
Last modified: 2026-06-17

Description

The libconnect extension before 7.0.8 and 8.x before 8.1.0 for TYPO3 allows XSS.

Frequently asked questions

What is CVE-2022-33157?: The libconnect extension before 7.0.8 and 8.x before 8.1.0 for TYPO3 allows XSS.
How severe is CVE-2022-33157?: CVE-2022-33157 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-33157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33157?: CVE-2022-33157 affects Libconnect Project Libconnect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33157 published?: CVE-2022-33157 was published on 2022-07-12 and last updated on 2026-06-17.

References

https://typo3.org/security/advisory/typo3-ext-sa-2022-010

Affected products (1)

cpe:2.3:a:libconnect_project:libconnect:*:*:*:*:*:typo3:*:*

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