CVE-2020-4070
"CSS Validator Cross-Site Scripting Vulnerability"
Description
In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9.
INFO
Published Date :
June 22, 2020, 4:15 p.m.
Last Modified :
June 30, 2020, 1:39 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-4070.
| URL | Resource |
|---|---|
| https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b | Patch |
| https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-4070 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-4070 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 30, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b No Types Assigned https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b Patch Changed Reference Type https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c No Types Assigned https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:w3c:css_validator:*:*:*:*:*:*:*:* versions up to (including) 2020-01-19
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-4070 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-4070
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.20649
percentile