How severe is CVE-2019-13705?

CVE-2019-13705 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-13705 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-2019-13705?

CVE-2019-13705 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-2019-13705?

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

When was CVE-2019-13705 published?

CVE-2019-13705 was published on 2019-11-25 and last updated on 2026-06-17.

CVE-2019-13705

CVE-2019-13705 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Google Chrome
Published: 2019-11-25
Last modified: 2026-06-17

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 78.0.3904.70 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension.

Frequently asked questions

What is CVE-2019-13705?: Insufficient policy enforcement in extensions in Google Chrome prior to 78.0.3904.70 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension.
How severe is CVE-2019-13705?: CVE-2019-13705 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-13705 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-2019-13705?: CVE-2019-13705 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-2019-13705?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-13705 published?: CVE-2019-13705 was published on 2019-11-25 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*

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