TI-2019-12685 Aliases CVE-2019-17001 GHSA-pcxf-xvjr-2qpp

Cross-site scripting in Mozilla Firefox

LOW 29CWE-79Published 2020-01-08 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00798 56th percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 70

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 70	70	Patch available	CNA

Firefox VendorMozilla Affected before 70 Fixed in 70 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox:69.0:::::::*	69.0	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox:69.0:*:*:*:*:*:*:* Versions 69.0 Vulnerable ·Mozilla

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 70

Timeline

2026-10-02 Threatist record created from CVE-2019-17001
2026-10-03 Alias added: GHSA-pcxf-xvjr-2qpp

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2019-34/

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1587976

TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences