CVE-2020-11583
CVE-2020-11583 is a medium-severity vulnerability in Plesk Obsidian 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)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Plesk Obsidian
- Published:
- Last modified:
Description
A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.
Frequently asked questions
- What is CVE-2020-11583?
- A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.
- How severe is CVE-2020-11583?
- CVE-2020-11583 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-2020-11583 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11583?
- CVE-2020-11583 affects Plesk Obsidian. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11583?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-11583 published?
- CVE-2020-11583 was published on 2020-08-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:plesk:obsidian:18.0.17:*:*:*:*:*:*:*
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