Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-3313 First vendor Publication 2021-05-20
Vendor Cve Last vendor Modification 2021-05-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Overall CVSS Score 5.4
Base Score 5.4 Environmental Score 5.4
impact SubScore 2.7 Temporal Score 5.4
Exploitabality Sub Score 2.3
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction Required
Scope Changed Confidentiality Impact Low
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:N/I:P/A:N)
Cvss Base Score 3.5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user's input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim's browser if the victim opens a vulnerable page containing an XSS payload.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3313

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-79 Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 150

Sources (Detail)

Source Url
MISC https://plone.org/download/releases/5.2.3
https://plone.org/security/hotfix/20210518
https://www.compass-security.com/fileadmin/Research/Advisories/2021-07_CSNC-2...
MLIST http://www.openwall.com/lists/oss-security/2021/05/22/1

Alert History

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Date Informations
2023-03-03 02:06:26
  • Multiple Updates
2021-05-26 00:22:48
  • Multiple Updates
2021-05-23 00:22:46
  • Multiple Updates
2021-05-20 21:23:07
  • First insertion