CVE-2021-36603
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript...
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
- Record
CVE-2021-36603- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
- Record
CVE-2021-36603- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-23200
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
- Record
EUVD-2021-23200- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qvg8-rx3x-c43j
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript...
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
- Record
GHSA-qvg8-rx3x-c43j- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36603 is a medium vulnerability (CVSS 6.1) in Tasmota Project Tasmota, published January 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.