How severe is CVE-2019-13075?

CVE-2019-13075 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-13075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13075?

CVE-2019-13075 affects Torproject Tor Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13075?

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

When was CVE-2019-13075 published?

CVE-2019-13075 was published on 2019-06-30 and last updated on 2026-06-17.

CVE-2019-13075

CVE-2019-13075 is a medium-severity vulnerability in Torproject Tor Browser with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Torproject Tor Browser
Published: 2019-06-30
Last modified: 2026-06-17

Description

Tor Browser through 8.5.3 has an information exposure vulnerability. It allows remote attackers to detect the browser's language via vectors involving an IFRAME element, because text in that language is included in the title attribute of a LINK element for a non-HTML page. This is related to a behavior of Firefox before 68.

Frequently asked questions

What is CVE-2019-13075?: Tor Browser through 8.5.3 has an information exposure vulnerability. It allows remote attackers to detect the browser's language via vectors involving an IFRAME element, because text in that language is included in the title attribute of a LINK element for a non-HTML page. This is related to a behavior of Firefox before 68.
How severe is CVE-2019-13075?: CVE-2019-13075 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-13075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13075?: CVE-2019-13075 affects Torproject Tor Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-13075 published?: CVE-2019-13075 was published on 2019-06-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:torproject:tor_browser:*:*:*:*:*:*:*:*

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