CVE-2021-44543
Ubuntu Security Notice USN-5826-1
Severity Score
6.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the template name when Privoxy is configured to servce the user-manual itself.
Se encontró una vulnerabilidad de tipo XSS en Privoxy que fue corregida en la función cgi_error_no_template(), al codificar el nombre de la plantilla cuando Privoxy está configurado para servir el propio manual de usuario
Joshua Rogers discovered that Privoxy incorrectly handled memory allocation. An attacker could possibly use this issue to cause a denial of service. Artem Ivanov discovered that Privoxy incorrectly handled input validations. An attacker could possibly use this issue to perform cross-site scripting attacks.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-03 CVE Reserved
- 2021-12-23 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 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 (2)
| URL | Tag | Source |
|---|---|---|
| https://www.privoxy.org/3.0.33/user-manual/whatsnew.html%2C | X_refsource_misc | |
| https://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=0e668e9409c | X_refsource_misc |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|