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Vulnerability details: VCID-chdh-zbfc-aaaa
Vulnerability ID VCID-chdh-zbfc-aaaa
Aliases CVE-2021-29944
Summary Lack of escaping allowed HTML injection when a webpage was viewed in Reader View. While a Content Security Policy prevents direct code execution, HTML injection is still possible. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 88.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
System Score Found at
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00096 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00578 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
epss 0.00627 https://api.first.org/data/v1/epss?cve=CVE-2021-29944
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-29944
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-29944
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-29944
archlinux Medium https://security.archlinux.org/AVG-1835
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-16
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29944
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29944
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29944
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.37578
EPSS Score 0.00084
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.