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WordfenceCVE-2021-34667

HistoryAug 16, 2021 - 7:15 p.m.

CVE-2021-34667

2021-08-1619:15:15

CWE-79

Wordfence

web.nvd.nist.gov

calendar_plugin

wordpress

plugin

vulnerability

xss

security

cve-2021-34667

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

31.9%

JSON

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.

Affected configurations

Nvd

Vulners

Node

calendar_plugin_projectcalendar_pluginRange≤1.0wordpress

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

Vendor	Product	Version	CPE
calendar_plugin_project	calendar_plugin	*	cpe:2.3:a:calendar_plugin_project:calendar_plugin::::::wordpress::*

CNA Affected

[
  {
    "product": "Calendar_plugin",
    "vendor": "Calendar_plugin",
    "versions": [
      {
        "lessThanOrEqual": "1.0",
        "status": "affected",
        "version": "1.0",
        "versionType": "custom"
      }
    ]
  }
]

References

plugins.trac.wordpress.org/browser/calendar-plugin/trunk/calendar.php#L86

www.wordfence.com/vulnerability-advisories/#CVE-2021-34667

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

31.9%

JSON

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