9.8
CRITICAL
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 :

Nov. 21, 2024, 5:52 a.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.

Affected Products

The following products are affected by CVE-2021-23899 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Owasp json-sanitizer
: Total Affected Vendor : 1 | Products : 1
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
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).

Profile Photo
TinkerBoard-Android/rockchip-android-external-jazzer-api

None

Starlark Java Kotlin C++ Shell Dockerfile C

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 30, 2024, 1:59 a.m. This repo has been linked 13 different CVEs too.
Profile Photo
CodeIntelligenceTesting/java-example-old

None

Java

Updated: 10 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 13, 2024, 2:52 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
msft-mirror-aosp/platform.external.jazzer-api

None

Starlark Kotlin Java Shell C++ Dockerfile

Updated: 1 year, 9 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 27, 2023, 12:47 a.m. This repo has been linked 10 different CVEs too.

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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e
    Added Reference https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2
    Added Reference https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0
  • 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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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.

0.33 }} 0.04%

score

0.70446

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: