How severe is CVE-2020-28091?

CVE-2020-28091 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-28091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28091?

CVE-2020-28091 affects Cxuu Cxuucms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-28091 published?

CVE-2020-28091 was published on 2020-11-18 and last updated on 2026-06-17.

CVE-2020-28091

CVE-2020-28091 is a high-severity vulnerability in Cxuu Cxuucms with a CVSS 3.x base score of 7.5. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Cxuu Cxuucms
Published: 2020-11-18
Last modified: 2026-06-17

Description

cxuucms v3 has a SQL injection vulnerability, which can lead to the leakage of all database data via the keywords parameter via search.php.

Frequently asked questions

What is CVE-2020-28091?: cxuucms v3 has a SQL injection vulnerability, which can lead to the leakage of all database data via the keywords parameter via search.php.
How severe is CVE-2020-28091?: CVE-2020-28091 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-28091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28091?: CVE-2020-28091 affects Cxuu Cxuucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-28091 published?: CVE-2020-28091 was published on 2020-11-18 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-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-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.

All CVEs affecting Cxuu Cxuucms →

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