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Vulnerability details: VCID-v2s3-btwm-ybcn
Vulnerability ID VCID-v2s3-btwm-ybcn
Aliases CVE-2020-12648
GHSA-vrv8-v4w8-f95h
GMS-2020-789
Summary Cross-site scripting vulnerability in TinyMCE
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 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2020-12648
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2020-12648
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-vrv8-v4w8-f95h
cvssv3.1 6.1 https://github.com/tinymce/tinymce
generic_textual MODERATE https://github.com/tinymce/tinymce
cvssv3.1 6.1 https://github.com/tinymce/tinymce/commit/2b71c922214d388838d930806207a66c14e80f63
generic_textual MODERATE https://github.com/tinymce/tinymce/commit/2b71c922214d388838d930806207a66c14e80f63
cvssv3.1 6.1 https://github.com/tinymce/tinymce/commit/696e43658dc9750ec24fdc4650bd2be9653daf5b
generic_textual MODERATE https://github.com/tinymce/tinymce/commit/696e43658dc9750ec24fdc4650bd2be9653daf5b
cvssv3.1 6.1 https://github.com/tinymce/tinymce/pull/5843
generic_textual MODERATE https://github.com/tinymce/tinymce/pull/5843
cvssv3.1 6.1 https://github.com/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
cvssv3.1_qr MODERATE https://github.com/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
generic_textual MODERATE https://github.com/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
cvssv3.1 6.1 https://www.tiny.cloud/docs/release-notes/release-notes54/#securityfixes
generic_textual MODERATE https://www.tiny.cloud/docs/release-notes/release-notes54/#securityfixes
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-12648
https://github.com/tinymce/tinymce
https://github.com/tinymce/tinymce/commit/2b71c922214d388838d930806207a66c14e80f63
https://github.com/tinymce/tinymce/commit/696e43658dc9750ec24fdc4650bd2be9653daf5b
https://github.com/tinymce/tinymce/pull/5843
https://www.tiny.cloud/docs/release-notes/release-notes54/#securityfixes
CVE-2020-12648 https://nvd.nist.gov/vuln/detail/CVE-2020-12648
GHSA-vrv8-v4w8-f95h https://github.com/advisories/GHSA-vrv8-v4w8-f95h
GHSA-vrv8-v4w8-f95h https://github.com/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
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/tinymce/tinymce
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/tinymce/tinymce/commit/2b71c922214d388838d930806207a66c14e80f63
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/tinymce/tinymce/commit/696e43658dc9750ec24fdc4650bd2be9653daf5b
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/tinymce/tinymce/pull/5843
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/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
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.tiny.cloud/docs/release-notes/release-notes54/#securityfixes
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 0.52077
EPSS Score 0.00283
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:26:24.557876+00:00 GHSA Importer Import https://github.com/advisories/GHSA-vrv8-v4w8-f95h 38.6.0