How severe is CVE-2015-8510?

CVE-2015-8510 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-2015-8510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8510?

CVE-2015-8510 affects Mozilla Firefox Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8510?

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

When was CVE-2015-8510 published?

CVE-2015-8510 was published on 2016-01-09 and last updated on 2026-06-17.

CVE-2015-8510

CVE-2015-8510 is a medium-severity vulnerability in Mozilla Firefox Os 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: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mozilla Firefox Os
Published: 2016-01-09
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the internationalization feature in the default homescreen app in Mozilla Firefox OS before 2.5 allows user-assisted remote attackers to inject arbitrary web script or HTML via a crafted web site that is mishandled during "Add to home screen" bookmarking.

Frequently asked questions

What is CVE-2015-8510?: Cross-site scripting (XSS) vulnerability in the internationalization feature in the default homescreen app in Mozilla Firefox OS before 2.5 allows user-assisted remote attackers to inject arbitrary web script or HTML via a crafted web site that is mishandled during "Add to home screen" bookmarking.
How severe is CVE-2015-8510?: CVE-2015-8510 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-2015-8510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8510?: CVE-2015-8510 affects Mozilla Firefox Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8510?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8510 published?: CVE-2015-8510 was published on 2016-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:mozilla:firefox_os:*:*:*:*:*:*:*:*

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