CVE-2021-34667

The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86	Exploit Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34667	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:calendar_plugin_project:calendar_plugin:*:*:*:*:*:wordpress:*:*

History

No history.

Information

Published : 2021-08-16 19:15

Updated : 2021-08-24 11:13

NVD link : CVE-2021-34667

Mitre link : CVE-2021-34667

CVE.ORG link : CVE-2021-34667

JSON object : View

Products Affected

calendar_plugin_project

calendar_plugin

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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