Vulnerability CVE-2021-20749

Vulnerability Name:

CVE-2021-20749 (CCN-204167)

Assigned:

2020-12-17

Published:

2021-06-22

Updated:

2021-07-07

Summary:

Cross-site scripting vulnerability in Fudousan plugin ver5.7.0 and earlier, Fudousan Plugin Pro Single-User Type ver5.7.0 and earlier, and Fudousan Plugin Pro Multi-User Type ver5.7.0 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

CVSS v3 Severity:

5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2021-20749

Source: CCN
Type: JVN#93799513
WordPress plugin "Fudousan plugin" series vulnerable to cross-site scripting

Source: XF
Type: UNKNOWN
wordpress-cve202120749-xss(204167)

Source: MISC
Type: Third Party Advisory
https://jvn.jp/en/jp/JVN93799513/index.html

Source: CCN
Type: nendeb Web site
nendeb Fudousan Plugin for WordPress

Source: MISC
Type: Product, Third Party Advisory
https://nendeb.jp/fudou

Source: MISC
Type: Patch, Third Party Advisory
https://www.nendeb-biz.jp/2021-0617-1200/

Vulnerable Configuration:

Configuration 1:

cpe:/a:nendeb:fudousan_plugin:*:*:*:*:*:*:*:* (Version <= 5.7.0)

OR cpe:/a:nendeb:fudousan_plugin_pro_multi-user:*:*:*:*:*:*:*:* (Version <= 5.7.0)

OR cpe:/a:nendeb:fudousan_plugin_pro_single-user:*:*:*:*:*:*:*:* (Version <= 5.7.0)

Configuration CCN 1:

cpe:/a:wordpress:wordpress:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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