CVE-2020-21643
CVE-2020-21643 is a medium-severity vulnerability in Hongcms Project Hongcms with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Hongcms Project Hongcms
- Published:
- Last modified:
Description
Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
Frequently asked questions
- What is CVE-2020-21643?
- Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.
- How severe is CVE-2020-21643?
- CVE-2020-21643 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-21643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21643?
- CVE-2020-21643 affects Hongcms Project Hongcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-21643 published?
- CVE-2020-21643 was published on 2023-04-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:hongcms_project:hongcms:3.0.0:*:*:*:*:*:*:*
More vulnerabilities in Hongcms Project Hongcms
- CVE-2020-18178 — Critical (CVSS 9.8): Path Traversal in HongCMS v4.0.0 allows remote attackers to view, edit, and delete arbitrary files via a crafted POST…
- CVE-2020-21252 — High (CVSS 8.8): Cross Site Request Forgery vulnerability in Neeke HongCMS 3.0.0 allows a remote attacker to execute arbitrary code and…
- CVE-2018-10265 — High (CVSS 8.8): An issue was discovered in HongCMS v3.0.0. There is a CSRF vulnerability that can add an administrator account via the…
- CVE-2022-28523 — High (CVSS 8.1): HongCMS 3.0.0 allows arbitrary file deletion via the component /admin/index.php/template/ajax?action=delete.
- CVE-2018-16774 — High (CVSS 7.5): HongCMS 3.0.0 allows arbitrary file deletion via a ../ in the file parameter to…
- CVE-2022-32412 — High (CVSS 7.2): An issue in the /template/edit component of HongCMS v3.0 allows attackers to getshell.
All CVEs affecting Hongcms Project Hongcms →
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →