// For flags

CVE-2021-28977

 

Severity Score

4.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Cross Site Scripting vulnerability in GetSimpleCMS 3.3.16 in admin/upload.php by adding comments or jpg and other file header information to the content of xla, pages, and gzip files,

Una vulnerabilidad de tipo Cross Site Scripting en GetSimpleCMS versión 3.3.16, en el archivo admin/upload.php al añadir comentarios o jpg y otra información de encabezado de archivos al contenido de xla, páginas y archivos gzip

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-03-22 CVE Reserved
  • 2021-06-23 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
References (1)
URL Tag Source
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1336 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Get-simple
Search vendor "Get-simple"
 Getsimplecms
Search vendor "Get-simple" for product "Getsimplecms"
 <= 3.3.15
Search vendor "Get-simple" for product "Getsimplecms" and version " <= 3.3.15"
-
Affected