CVE-2019-11701 — Cross-site Scripting in Mozilla Firefox

CWE-79 — Cross-site Scripting10 documents5 sources
Severity
6.1MEDIUMNVD
OSV9.8
EPSS
0.2%
top 53.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJul 23
Latest updateMay 24

Description

The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. This default was left in place as a legacy feature and has now been removed. *Note: this issue only affects users with an account on the vulnerable service. Other users are unaffected.*. This vulnerability affects Firefox < 67.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages4 packages

▶debiandebian/firefox< firefox 67.0-2 (sid)
▶CVEListV5mozilla/firefoxunspecified — 67
▶NVDmozilla/firefox< 67.0
▶Ubuntumozilla/firefox< 67.0+build2-0ubuntu0.16.04.1+5

🔴Vulnerability Details

5
GHSA
GHSA-frqr-7x7p-q8jj: The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks↗2022-05-24
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OSV
firefox regression↗2019-06-14
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OSV
firefox regression↗2019-06-06
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OSV
firefox vulnerabilities↗2019-05-21
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OSV
CVE-2019-11701: The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks↗2019-05-21
▶

📋Vendor Advisories

4
Ubuntu
Firefox regression↗2019-06-14
▶
Ubuntu
Firefox regression↗2019-06-06
▶
Ubuntu
Firefox vulnerabilities↗2019-05-21
▶
Debian
CVE-2019-11701: firefox - The default webcal: protocol handler will load a web site vulnerable to cross-si...↗2019
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