CVE-2020-7702
Prototype Pollution
All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.
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
Prototype Pollution
All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.
- Record
CVE-2020-7702- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-1038
All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.
- Record
EUVD-2021-1038- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c7m7-4257-h698
Prototype Pollution in templ8
All versions of package templ8 up to and including 0.0.44 are vulnerable to Prototype Pollution via the parse function.
- Record
GHSA-c7m7-4257-h698- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-915, CWE-1321
- Updated
- 2026-11-02
NVD
All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.
- Record
CVE-2020-7702- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-c7m7-4257-h698
Prototype Pollution in templ8
All versions of package templ8 up to and including 0.0.44 are vulnerable to Prototype Pollution via the parse function.
- Record
GHSA-c7m7-4257-h698- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321, CWE-915
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
templ8npm |
through 0.0.44 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7702 is a critical vulnerability (CVSS 9.8) in Templ8 Project Templ8, published August 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. No source names a fixed version.