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Vulnerability details: VCID-ty3u-zkuu-myaf
Vulnerability ID VCID-ty3u-zkuu-myaf
Aliases CVE-2019-12205
GHSA-rfvw-5848-gxc5
Summary Silverstripe Flash Clipboard Reflected XSS SilverStripe versions 3.0.0 until 4.3.5 and 4.4.4 are vulnerable to Flash Clipboard Reflected XSS. Versions 4.3.5 and 4.4.4 of `silverstripe/framework` and version 1.3.5 of `silverstripe/admin` contain a fix for this issue.
Status Published
Exploitability None
Weighted Severity None
Risk None
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 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2019-12205
cvssv3.1 6.1 https://forum.silverstripe.org/c/releases
generic_textual MODERATE https://forum.silverstripe.org/c/releases
cvssv3.1 6.1 https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12205.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12205.yaml
cvssv3.1 6.1 https://github.com/silverstripe/silverstripe-admin/commit/6e6fa5c618b9dbf4cc0a56704834bfa1d5b0d18e
generic_textual MODERATE https://github.com/silverstripe/silverstripe-admin/commit/6e6fa5c618b9dbf4cc0a56704834bfa1d5b0d18e
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2019-12205
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-12205
cvssv3.1 6.1 https://www.silverstripe.org/download/security-releases
generic_textual MODERATE https://www.silverstripe.org/download/security-releases
cvssv3.1 6.1 https://www.silverstripe.org/download/security-releases/cve-2019-12205
generic_textual MODERATE https://www.silverstripe.org/download/security-releases/cve-2019-12205
cvssv3.1 6.1 https://www.silverstripe.org/download/security-releases/CVE-2019-12205
generic_textual MODERATE https://www.silverstripe.org/download/security-releases/CVE-2019-12205
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-12205
https://forum.silverstripe.org/c/releases
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12205.yaml
https://github.com/silverstripe/silverstripe-admin/commit/6e6fa5c618b9dbf4cc0a56704834bfa1d5b0d18e
https://nvd.nist.gov/vuln/detail/CVE-2019-12205
https://www.silverstripe.org/download/security-releases
https://www.silverstripe.org/download/security-releases/
https://www.silverstripe.org/download/security-releases/cve-2019-12205
https://www.silverstripe.org/download/security-releases/CVE-2019-12205
GHSA-rfvw-5848-gxc5 https://github.com/advisories/GHSA-rfvw-5848-gxc5
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://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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12205.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:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/silverstripe/silverstripe-admin/commit/6e6fa5c618b9dbf4cc0a56704834bfa1d5b0d18e
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-2019-12205
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.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:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.silverstripe.org/download/security-releases/cve-2019-12205
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.silverstripe.org/download/security-releases/CVE-2019-12205
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 0.59589
EPSS Score 0.00378
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T09:32:51.899519+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-rfvw-5848-gxc5/GHSA-rfvw-5848-gxc5.json 38.6.0