CVE-2020-21929
CVE-2020-21929 is a medium-severity vulnerability in Eyoucms 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% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Eyoucms
- Published:
- Last modified:
Description
A stored cross site scripting (XSS) vulnerability in the web_copyright field of Eyoucms v1.4.1 allows authenticated attackers to execute arbitrary web scripts or HTML.
Frequently asked questions
- What is CVE-2020-21929?
- A stored cross site scripting (XSS) vulnerability in the web_copyright field of Eyoucms v1.4.1 allows authenticated attackers to execute arbitrary web scripts or HTML.
- How severe is CVE-2020-21929?
- CVE-2020-21929 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-2020-21929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21929?
- CVE-2020-21929 affects Eyoucms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-21929 published?
- CVE-2020-21929 was published on 2021-08-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:eyoucms:eyoucms:1.4.1:*:*:*:*:*:*:*
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