Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-uy47-3s8a-hbdn
Vulnerability ID VCID-uy47-3s8a-hbdn
Aliases CVE-2022-37421
GHSA-pp74-g2q5-j4jf
GMS-2022-6855
Summary Silverstipe CMS Stored XSS in custom meta tags A malicious content author could create a custom meta tag and execute an arbitrary JavaScript payload. This would require convincing a legitimate user to access a page and enter a custom keyboard shortcut. This requires CMS access to exploit.
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 0.00322 https://api.first.org/data/v1/epss?cve=CVE-2022-37421
epss 0.00322 https://api.first.org/data/v1/epss?cve=CVE-2022-37421
cvssv3.1 5.4 https://forum.silverstripe.org/c/releases
generic_textual MODERATE https://forum.silverstripe.org/c/releases
ssvc Track https://forum.silverstripe.org/c/releases
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-pp74-g2q5-j4jf
cvssv3.1 5.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2022-37421
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2022-37421
cvssv3.1 5.4 https://www.silverstripe.org/blog/tag/release
generic_textual MODERATE https://www.silverstripe.org/blog/tag/release
ssvc Track https://www.silverstripe.org/blog/tag/release
cvssv3.1 5.4 https://www.silverstripe.org/download/security-releases
generic_textual MODERATE https://www.silverstripe.org/download/security-releases
cvssv3.1 5.4 https://www.silverstripe.org/download/security-releases/
ssvc Track https://www.silverstripe.org/download/security-releases/
cvssv3.1 5.4 https://www.silverstripe.org/download/security-releases/cve-2022-37421
generic_textual MODERATE https://www.silverstripe.org/download/security-releases/cve-2022-37421
cvssv3.1 5.4 https://www.silverstripe.org/download/security-releases/CVE-2022-37421
ssvc Track https://www.silverstripe.org/download/security-releases/CVE-2022-37421
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-37421
https://forum.silverstripe.org/c/releases
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml
https://nvd.nist.gov/vuln/detail/CVE-2022-37421
https://www.silverstripe.org/blog/tag/release
https://www.silverstripe.org/download/security-releases
https://www.silverstripe.org/download/security-releases/
https://www.silverstripe.org/download/security-releases/cve-2022-37421
CVE-2022-37421 https://www.silverstripe.org/download/security-releases/CVE-2022-37421
GHSA-pp74-g2q5-j4jf https://github.com/advisories/GHSA-pp74-g2q5-j4jf
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://forum.silverstripe.org/c/releases
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T20:34:09Z/ Found at https://forum.silverstripe.org/c/releases
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml
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:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-37421
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:L/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/blog/tag/release
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T20:34:09Z/ Found at https://www.silverstripe.org/blog/tag/release
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/download/security-releases
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:L/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/download/security-releases/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T20:34:09Z/ Found at https://www.silverstripe.org/download/security-releases/
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/download/security-releases/cve-2022-37421
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:L/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/download/security-releases/CVE-2022-37421
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T20:34:09Z/ Found at https://www.silverstripe.org/download/security-releases/CVE-2022-37421
Exploit Prediction Scoring System (EPSS)
Percentile 0.55495
EPSS Score 0.00322
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:52:34.516672+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/11/GHSA-pp74-g2q5-j4jf/GHSA-pp74-g2q5-j4jf.json 38.6.0