CVE-2021-42946
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the ...
CVE-2021-42946 is a medium vulnerability (CVSS 4.8) in Htmly, published March 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
- Record
CVE-2021-42946- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
- Record
CVE-2021-42946- Updated
- 2026-11-02
EUVDEUVD-2021-29901 No score
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
- Record
EUVD-2021-29901- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h3h5-5cp8-g973
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the ...
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
- Record
GHSA-h3h5-5cp8-g973- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A Cross Site Scripting (XSS) vulnerability exists in htmly.2.8.1 via the Copyright field in the /admin/config page.
- Record
CVE-2021-42946- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |