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Vulnerability details: VCID-152n-q9ju-fuck
Vulnerability ID VCID-152n-q9ju-fuck
Aliases CVE-2021-20717
GHSA-c8mx-43cq-993w
Summary EC-CUBE Cross-site scripting vulnerability
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2021-20717
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2021-20717
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2021-20717
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2021-20717
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-c8mx-43cq-993w
cvssv3.1 6.1 https://github.com/EC-CUBE/ec-cube
generic_textual MODERATE https://github.com/EC-CUBE/ec-cube
cvssv3.1 6.1 https://jvn.jp/en/jp/JVN97554111/index.html
generic_textual MODERATE https://jvn.jp/en/jp/JVN97554111/index.html
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-20717
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-20717
cvssv3.1 6.1 https://www.ec-cube.net/news/detail.php?news_id=383
generic_textual MODERATE https://www.ec-cube.net/news/detail.php?news_id=383
cvssv3.1 6.1 https://www.ec-cube.net/news/detail.php?news_id=384
generic_textual MODERATE https://www.ec-cube.net/news/detail.php?news_id=384
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-20717
https://github.com/EC-CUBE/ec-cube
https://jvn.jp/en/jp/JVN97554111/index.html
https://www.ec-cube.net/news/detail.php?news_id=383
https://www.ec-cube.net/news/detail.php?news_id=384
CVE-2021-20717 https://nvd.nist.gov/vuln/detail/CVE-2021-20717
GHSA-c8mx-43cq-993w https://github.com/advisories/GHSA-c8mx-43cq-993w
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/EC-CUBE/ec-cube
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://jvn.jp/en/jp/JVN97554111/index.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20717
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.ec-cube.net/news/detail.php?news_id=383
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.ec-cube.net/news/detail.php?news_id=384
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.80606
EPSS Score 0.01366
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:31:00.770981+00:00 GHSA Importer Import https://github.com/advisories/GHSA-c8mx-43cq-993w 38.6.0