How severe is CVE-2020-23659?

CVE-2020-23659 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-23659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23659?

CVE-2020-23659 affects Webport Web Port. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23659?

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

When was CVE-2020-23659 published?

CVE-2020-23659 was published on 2020-08-26 and last updated on 2026-06-17.

CVE-2020-23659

CVE-2020-23659 is a medium-severity vulnerability in Webport Web Port with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Webport Web Port
Published: 2020-08-26
Last modified: 2026-06-17

Description

WebPort-v1.19.17121 is affected by Cross Site Scripting (XSS) on the "connections" feature.

Frequently asked questions

What is CVE-2020-23659?: WebPort-v1.19.17121 is affected by Cross Site Scripting (XSS) on the "connections" feature.
How severe is CVE-2020-23659?: CVE-2020-23659 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-23659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23659?: CVE-2020-23659 affects Webport Web Port. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23659 published?: CVE-2020-23659 was published on 2020-08-26 and last updated on 2026-06-17.

References

https://github.com/r0ck3t1973/xss_payload/issues/1

Affected products (1)

cpe:2.3:a:webport:web_port:1.19.17121:*:*:*:*:*:*:*

More vulnerabilities in Webport Web Port

CVE-2019-12461 — Medium (CVSS 6.1): Web Port 1.19.1 allows XSS via the /log type parameter.
CVE-2019-12460 — Medium (CVSS 6.1): Web Port 1.19.1 allows XSS via the /access/setup type parameter.
CVE-2020-18668 — Medium (CVSS 5.4): Cross Site Scripting (XSS) vulnerabililty in WebPort <=1.19.1 via the description parameter to script/listcalls.
CVE-2020-18664 — Medium (CVSS 5.4): Cross Site Scripting (XSS) vulnerability in WebPort <=1.19.1via the connection name parameter in type-conn.
CVE-2020-18665 — Medium (CVSS 5.3): Directory Traversal vulnerability in WebPort <=1.19.1 in tags of system settings.

All CVEs affecting Webport Web Port →

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 →