What’s Vulnerable › Vulnerabilities

CVE-2019-17001

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-08 · updated 2026-06-17
• Weakness: CWE-79

Description

A Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document (cross-site scripting). This is a separate bypass from CVE-2019-17000.*Note: This flaw only affected Firefox 69 and was not present in earlier versions.*. This vulnerability affects Firefox < 70.

Affected products

• Mozilla Firefox: 69.0

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1587976
• https://www.mozilla.org/security/advisories/mfsa2019-34/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1587976
• https://www.mozilla.org/security/advisories/mfsa2019-34/

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