CVE-2021-23899
Apache json-sanitizer HTML Injection Vulnerability
Description
OWASP json-sanitizer before 1.2.2 may emit closing SCRIPT tags and CDATA section delimiters for crafted input. This allows an attacker to inject arbitrary HTML or XML into embedding documents.
INFO
Published Date :
Jan. 13, 2021, 4:15 p.m.
Last Modified :
Jan. 19, 2021, 6:45 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-23899 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-23899.
| URL | Resource |
|---|---|
| https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e | Patch Third Party Advisory |
| https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2 | Patch Third Party Advisory |
| https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0 | Third Party 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).
None
Starlark Java Kotlin C++ Shell Dockerfile C
None
Java
None
Starlark Kotlin Java Shell C++ Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23899 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23899 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]
Jan. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e No Types Assigned https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e Patch, Third Party Advisory Changed Reference Type https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2 No Types Assigned https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2 Patch, Third Party Advisory Changed Reference Type https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0 No Types Assigned https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0 Third Party Advisory Added CWE NIST CWE-611 Added CPE Configuration OR *cpe:2.3:a:owasp:json-sanitizer:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23899 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-2021-23899
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.02%
score
0.62023
percentile