4.8
MEDIUM
CVE-2021-4035
ATOS TinyMCE Stored Cross Site Scripting Vulnerability
Description

A stored cross site scripting have been identified at the comments in the report creation due to an obsolote version of tinymce editor. In order to exploit this vulnerability, the attackers needs an account with enough privileges to view and edit reports.

INFO

Published Date :

Feb. 11, 2022, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 6:36 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

1.7
Public PoC/Exploit Available at Github

CVE-2021-4035 has a 1 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-2021-4035 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 Wocu-monitoring wocu_monitoring
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-2021-4035.

URL Resource
https://www.incibe.es/en/incibe-cert/notices/aviso/wocu-monitoring-stored-cross-site-scripting-xss
https://www.incibe.es/en/incibe-cert/notices/aviso/wocu-monitoring-stored-cross-site-scripting-xss

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).

vulnerable setup to display an attack chain of log4j CVE-2021-44228 with privilege escalation to root using the polkit exploit CVE-2021-4034

Dockerfile

Updated: 3 years, 4 months ago
1 stars 2 fork 2 watcher
Born at : Jan. 27, 2022, 7:54 p.m. This repo has been linked 3 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-2021-4035 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4035 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://www.incibe.es/en/incibe-cert/notices/aviso/wocu-monitoring-stored-cross-site-scripting-xss
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 22, 2023

    Action Type Old Value New Value
    Added Reference Spanish National Cybersecurity Institute, S.A. (INCIBE) https://www.incibe.es/en/incibe-cert/notices/aviso/wocu-monitoring-stored-cross-site-scripting-xss [No types assigned]
    Removed Reference Spanish National Cybersecurity Institute, S.A. (INCIBE) https://www.incibe-cert.es/en/early-warning/security-advisories/wocu-monitoring-stored-cross-site-scripting-xss
    Removed CVSS V3.1 Spanish National Cybersecurity Institute, S.A. (INCIBE) AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 Spanish National Cybersecurity Institute, S.A. (INCIBE) AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
  • Initial Analysis by [email protected]

    Feb. 22, 2022

    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:H/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://www.incibe-cert.es/en/early-warning/security-advisories/wocu-monitoring-stored-cross-site-scripting-xss No Types Assigned https://www.incibe-cert.es/en/early-warning/security-advisories/wocu-monitoring-stored-cross-site-scripting-xss Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:wocu-monitoring:wocu_monitoring:*:*:*:*:*:*:*:* versions from (including) 0.27 up to (excluding) 48.2
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-2021-4035 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-2021-4035 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.30 }} 0.04%

score

0.50695

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 14, 2025 22:03