CVE-2021-42970
CVE-2021-42970 is a medium-severity vulnerability in Cxuu Cxuucms 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% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Cxuu Cxuucms
- Published:
- Last modified:
Description
Cross Site Scripting (XSS) vulnerability exists in cxuucms v3 via the imgurl of /feedback/post/ content parameter.
Frequently asked questions
- What is CVE-2021-42970?
- Cross Site Scripting (XSS) vulnerability exists in cxuucms v3 via the imgurl of /feedback/post/ content parameter.
- How severe is CVE-2021-42970?
- CVE-2021-42970 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-2021-42970 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42970?
- CVE-2021-42970 affects Cxuu Cxuucms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42970?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-42970 published?
- CVE-2021-42970 was published on 2022-03-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cxuu:cxuucms:3.0:*:*:*:*:*:*:*
More vulnerabilities in Cxuu Cxuucms
- CVE-2020-28091 — High (CVSS 7.5): cxuucms v3 has a SQL injection vulnerability, which can lead to the leakage of all database data via the keywords…
- CVE-2021-3264 — High (CVSS 7.2): SQL Injection vulnerability in cxuucms 3.1 ivia the pid parameter in public/admin.php.
- CVE-2020-35347 — Medium (CVSS 6.5): CXUUCMS V3 3.1 has a CSRF vulnerability that can add an administrator account via admin.php?c=adminuser&a=add.
- CVE-2021-39599 — Medium (CVSS 6.1): Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1)…
- CVE-2020-29250 — Medium (CVSS 6.1): CXUUCMS V3 allows XSS via the first and third input fields to /public/admin.php.
- CVE-2020-29249 — Medium (CVSS 6.1): CXUUCMS V3 allows class="layui-input" XSS.
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