CVE-2017-5386

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

CVSS v3.0

7.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

2.27% chance of exploitation in the next 30 days, 82th percentile

Published

2018-06-11

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1319070

References

• CVE Record
• NVD entry

Related

• CVE-2017-5378
• CVE-2017-5387
• CVE-2017-5375
• CVE-2017-5394
• CVE-2017-5368
• CVE-2017-5395