CVE-2024-51757
Fixes security vulnerability that allowed for server side code to be executed by a <script> tag
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.3
Fixes security vulnerability that allowed for server side code to be executed by a <script> tag
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
- Record
CVE-2024-51757- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-94, CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2024-3226
9.3
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
- Record
EUVD-2024-3226- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-96g7-g7g9-jxw8
9.3
happy-dom allows for server side code to be executed by a <script> tag
Impact
Consumers of the NPM package happy-dom
Patches
The security vulnerability has been patched in v15.10.2
Workarounds
No easy workarounds to my knowledge
References
- Record
GHSA-96g7-g7g9-jxw8- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
9.3
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
- Record
CVE-2024-51757- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
OSV
9.3
Fixes security vulnerability that allowed for server side code to be executed by a <script> tag
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
- Record
CVE-2024-51757- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
OSVGHSA-96g7-g7g9-jxw8
9.3
happy-dom allows for server side code to be executed by a <script> tag
Impact
Consumers of the NPM package happy-dom
Patches
The security vulnerability has been patched in v15.10.2
Workarounds
No easy workarounds to my knowledge
References
- Record
GHSA-96g7-g7g9-jxw8- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Show 7 moreShow less
OSVCLSA-2026-1782781184 No score
TuxCare security update for happy-dom (3 CVEs)
TuxCare rebuilt happy-dom to address 3 CVEs. Fixed in 9.10.9-tuxcare.1.
- Record
CLSA-2026-1782781184- Updated
- 2026-11-02
OSVCLSA-2026-1790102017 No score
TuxCare security update for happy-dom (1 CVE)
TuxCare rebuilt happy-dom to address 1 CVE. Fixed in 9.20.3-tuxcare.3.
- Record
CLSA-2026-1790102017- Updated
- 2026-11-02
OSVCLSA-2026-1792254607 No score
TuxCare security update for @happy-dom/global-registrator (3 CVEs)
TuxCare rebuilt @happy-dom/global-registrator to address 3 CVEs. Fixed in 9.10.9-tuxcare.1.
- Record
CLSA-2026-1792254607- Updated
- 2026-11-02
OSVCLSA-2026-1792254628 No score
TuxCare security update for @happy-dom/global-registrator (1 CVE)
TuxCare rebuilt @happy-dom/global-registrator to address 1 CVE. Fixed in 9.20.3-tuxcare.3.
- Record
CLSA-2026-1792254628- Updated
- 2026-11-02
OSVCLSA-2026-1792866906 No score
TuxCare security update for @happy-dom/jest-environment (3 CVEs)
TuxCare rebuilt @happy-dom/jest-environment to address 3 CVEs. Fixed in 9.10.9-tuxcare.1.
- Record
CLSA-2026-1792866906- Updated
- 2026-11-02
OSVCLSA-2026-1792866907 No score
TuxCare security update for @happy-dom/jest-environment (3 CVEs)
TuxCare rebuilt @happy-dom/jest-environment to address 3 CVEs. Fixed in 14.12.3-tuxcare.2.
- Record
CLSA-2026-1792866907- Updated
- 2026-11-02
OSVCLSA-2026-1792866963 No score
TuxCare security update for @happy-dom/jest-environment (1 CVE)
TuxCare rebuilt @happy-dom/jest-environment to address 1 CVE. Fixed in 9.20.3-tuxcare.3.
- Record
CLSA-2026-1792866963- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
happy-domnpm |
before 15.10.2 | 15.10.2 |
happy-domTuxCare:npm From an advisory covering 3 CVEs |
9.10.9-tuxcare.0 up to 9.10.9-tuxcare.1, plus listed versions 9.10.9 |
9.10.9-tuxcare.1 |
happy-domTuxCare:npm |
9.20.3-tuxcare.0 up to 9.20.3-tuxcare.3, plus listed versions 9.20.39.20.3-tuxcare.19.20.3-tuxcare.2 |
9.20.3-tuxcare.3 |
@happy-dom/global-registratorTuxCare:npm From an advisory covering 3 CVEs |
9.10.9-tuxcare.0 up to 9.10.9-tuxcare.1, plus listed versions 9.10.9 |
9.10.9-tuxcare.1 |
@happy-dom/global-registratorTuxCare:npm |
9.20.3-tuxcare.0 up to 9.20.3-tuxcare.3, plus listed versions 9.20.39.20.3-tuxcare.19.20.3-tuxcare.2 |
9.20.3-tuxcare.3 |
@happy-dom/jest-environmentTuxCare:npm From an advisory covering 3 CVEs |
9.10.9-tuxcare.0 up to 9.10.9-tuxcare.1, plus listed versions 9.10.9 |
9.10.9-tuxcare.1 |
@happy-dom/jest-environmentTuxCare:npm From an advisory covering 3 CVEs |
14.12.3-tuxcare.0 up to 14.12.3-tuxcare.2, plus listed versions 14.12.3 |
14.12.3-tuxcare.2 |
@happy-dom/jest-environmentTuxCare:npm |
9.20.3-tuxcare.0 up to 9.20.3-tuxcare.3, plus listed versions 9.20.39.20.3-tuxcare.19.20.3-tuxcare.2 |
9.20.3-tuxcare.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-51757 is a critical vulnerability (CVSS 9.3) in Capricorn86 Happy-dom, published November 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. Fixed in happy-dom 15.10.2.
References
github.com/capricorn86/happy-dom/security/advisories/GHSA-96g7-g7g9-jxw8
github.com/capricorn86/happy-dom/issues/1585
github.com/capricorn86/happy-dom/pull/1586
github.com/capricorn86/happy-dom/commit/5ee0b1676d4ce20cc2a70d1c9c8d6f1e3f57efac
github.com/capricorn86/happy-dom/commit/d23834c232f1cf5519c9418b073f1dcec6b2f0fd
github.com/capricorn86/happy-dom/releases/tag/v15.10.2