Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / gem/rails/CVE-2020-8264
Advisory ID gitlab/gem/rails/CVE-2020-8264
Aliases CVE-2020-8264
Summary Cross-site Scripting In actionpack gem, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rails/CVE-2020-8264.yml
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rails/CVE-2020-8264.yml
Reference id Reference type URL
CVE-2020-8264 https://nvd.nist.gov/vuln/detail/CVE-2020-8264

No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rails/CVE-2020-8264.yml
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://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rails/CVE-2020-8264.yml
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

There are no SSVC decisions available.