CVE-2020-21643
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code...
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
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) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
- Record
CVE-2020-21643- 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) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
- Record
CVE-2020-21643- 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-2020-14411
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
- Record
EUVD-2020-14411- 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
- 2026-11-03
GitHub AdvisoriesGHSA-rgcf-fv23-mh6f
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code...
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
- Record
GHSA-rgcf-fv23-mh6f- 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 |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-21643 is a medium vulnerability (CVSS 6.1) in Hongcms Project Hongcms, published April 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.