CVE-2020-20521
CVE-2020-20521 is a medium-severity vulnerability in Kitesky Kitecms 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% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Kitesky Kitecms
- Published:
- Last modified:
Description
Cross Site Scripting vulnerability found in KiteCMS v.1.1 allows a remote attacker to execute arbitrary code via the comment parameter.
Frequently asked questions
- What is CVE-2020-20521?
- Cross Site Scripting vulnerability found in KiteCMS v.1.1 allows a remote attacker to execute arbitrary code via the comment parameter.
- How severe is CVE-2020-20521?
- CVE-2020-20521 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-2020-20521 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20521?
- CVE-2020-20521 affects Kitesky Kitecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20521?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-20521 published?
- CVE-2020-20521 was published on 2023-04-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kitesky:kitecms:1.1.1:*:*:*:*:*:*:*
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- CVE-2021-3267 — High (CVSS 7.2): File Upload vulnerability found in KiteCMS v.1.1 allows a remote attacker to execute arbitrary code via the uploadFile…
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