CVE-2021-39599
CVE-2021-39599 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% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Cxuu Cxuucms
- Published:
- Last modified:
Description
Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1) public/search.php and in the (2) c parameter in admin.php.
Frequently asked questions
- What is CVE-2021-39599?
- Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1) public/search.php and in the (2) c parameter in admin.php.
- How severe is CVE-2021-39599?
- CVE-2021-39599 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-2021-39599 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39599?
- CVE-2021-39599 affects Cxuu Cxuucms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39599?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-39599 published?
- CVE-2021-39599 was published on 2021-08-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cxuu:cxuucms:3.1:*:*:*:*:*:*:*
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-2021-42970 — Medium (CVSS 6.1): Cross Site Scripting (XSS) vulnerability exists in cxuucms v3 via the imgurl of /feedback/post/ content parameter.
- 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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