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Vulnerability details: VCID-nfvy-nma3-6qbp
Vulnerability ID VCID-nfvy-nma3-6qbp
Aliases CVE-2021-27902
GHSA-3jxh-789f-p7m6
Summary
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 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-27902
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-27902
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-3jxh-789f-p7m6
cvssv3.1 6.1 https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#360---2021-01-26
generic_textual MODERATE https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#360---2021-01-26
cvssv3.1 6.1 https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security-1
generic_textual MODERATE https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security-1
cvssv3.1 6.1 https://github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19ce
generic_textual MODERATE https://github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19ce
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-27902
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-27902
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-27902
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#360---2021-01-26
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security-1
https://github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19ce
https://nvd.nist.gov/vuln/detail/CVE-2021-27902
GHSA-3jxh-789f-p7m6 https://github.com/advisories/GHSA-3jxh-789f-p7m6
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/craftcms/cms/blob/develop/CHANGELOG.md#360---2021-01-26
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://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security-1
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://github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19ce
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-2021-27902
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 0.62334
EPSS Score 0.00419
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-12T01:59:58.904949+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0