How severe is CVE-2020-18282?

CVE-2020-18282 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-2020-18282 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18282?

CVE-2020-18282 affects 5none Nonecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-18282?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-18282 published?

CVE-2020-18282 was published on 2023-05-08 and last updated on 2026-06-17.

CVE-2020-18282

CVE-2020-18282 is a medium-severity vulnerability in 5none Nonecms 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: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: 5none Nonecms
Published: 2023-05-08
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in NoneCms 1.3.0 allows remote attackers to inject arbitrary web script or HTML via feedback feature.

Frequently asked questions

What is CVE-2020-18282?: Cross-site scripting (XSS) vulnerability in NoneCms 1.3.0 allows remote attackers to inject arbitrary web script or HTML via feedback feature.
How severe is CVE-2020-18282?: CVE-2020-18282 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-2020-18282 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18282?: CVE-2020-18282 affects 5none Nonecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-18282?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-18282 published?: CVE-2020-18282 was published on 2023-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:5none:nonecms:1.3.0:*:*:*:*:*:*:*

More vulnerabilities in 5none Nonecms

CVE-2018-20062 — Critical (CVSS 9.8): An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary…
CVE-2018-7219 — High (CVSS 8.8): application/admin/controller/Admin.php in NoneCms 1.3.0 has CSRF, as demonstrated by changing an admin password or…
CVE-2020-18647 — High (CVSS 7.5): Information Disclosure in NoneCMS v1.3 allows remote attackers to obtain sensitive information via the component…
CVE-2020-18646 — High (CVSS 7.5): Information Disclosure in NoneCMS v1.3 allows remote attackers to obtain sensitive information via the component…
CVE-2018-6029 — High (CVSS 7.5): The copy function in application/admin/controller/Article.php in NoneCms 1.3.0 allows remote attackers to access the…
CVE-2019-16721 — Medium (CVSS 6.5): NoneCMS v1.3 has CSRF in public/index.php/admin/admin/dele.html, as demonstrated by deleting the admin user.

All CVEs affecting 5none Nonecms →

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 →