How severe is CVE-2022-35426?

CVE-2022-35426 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-35426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35426?

CVE-2022-35426 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35426?

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

When was CVE-2022-35426 published?

CVE-2022-35426 was published on 2022-08-10 and last updated on 2026-06-17.

CVE-2022-35426

CVE-2022-35426 is a critical-severity vulnerability in Ucms Project Ucms with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Ucms Project Ucms
Published: 2022-08-10
Last modified: 2026-06-17

Description

UCMS 1.6 is vulnerable to arbitrary file upload via ucms/sadmin/file PHP file.

Frequently asked questions

What is CVE-2022-35426?: UCMS 1.6 is vulnerable to arbitrary file upload via ucms/sadmin/file PHP file.
How severe is CVE-2022-35426?: CVE-2022-35426 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-35426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35426?: CVE-2022-35426 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-35426 published?: CVE-2022-35426 was published on 2022-08-10 and last updated on 2026-06-17.

References

https://github.com/cc-225/ucms_v1.6/issues/1

Affected products (1)

cpe:2.3:a:ucms_project:ucms:1.6:*:*:*:*:*:*:*

More vulnerabilities in Ucms Project Ucms

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CVE-2020-25483 — Critical (CVSS 9.8): An arbitrary command execution vulnerability exists in the fopen() function of file writes of UCMS v1.4.8, where an…
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CVE-2018-17035 — Critical (CVSS 9.8): UCMS 1.4.6 has SQL injection during installation via the install/index.php mysql_dbname parameter.
CVE-2022-28443 — Critical (CVSS 9.1): UCMS v1.6 was discovered to contain an arbitrary file deletion vulnerability.

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