How severe is CVE-2022-2861?

CVE-2022-2861 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-2861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2861?

CVE-2022-2861 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-2861?

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

When was CVE-2022-2861 published?

CVE-2022-2861 was published on 2022-09-26 and last updated on 2026-06-17.

CVE-2022-2861

CVE-2022-2861 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Google Chrome
Published: 2022-09-26
Last modified: 2026-06-17

Description

Inappropriate implementation in Extensions API in Google Chrome prior to 104.0.5112.101 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts into WebUI via a crafted HTML page.

Frequently asked questions

What is CVE-2022-2861?: Inappropriate implementation in Extensions API in Google Chrome prior to 104.0.5112.101 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts into WebUI via a crafted HTML page.
How severe is CVE-2022-2861?: CVE-2022-2861 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-2861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2861?: CVE-2022-2861 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-2861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2861 published?: CVE-2022-2861 was published on 2022-09-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

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