How severe is CVE-2023-1303?

CVE-2023-1303 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-1303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1303?

CVE-2023-1303 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1303?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-1303 published?

CVE-2023-1303 was published on 2023-03-09 and last updated on 2026-06-17.

CVE-2023-1303

CVE-2023-1303 is a medium-severity vulnerability in Ucms Project Ucms with a CVSS 3.x base score of 6.3. 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: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Ucms Project Ucms
Published: 2023-03-09
Last modified: 2026-06-17

Description

A vulnerability was found in UCMS 1.6 and classified as critical. This issue affects some unknown processing of the file sadmin/fileedit.php of the component System File Management Module. The manipulation of the argument file leads to unrestricted upload. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-222683.

Frequently asked questions

What is CVE-2023-1303?: A vulnerability was found in UCMS 1.6 and classified as critical. This issue affects some unknown processing of the file sadmin/fileedit.php of the component System File Management Module. The manipulation of the argument file leads to unrestricted upload. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-222683.
How severe is CVE-2023-1303?: CVE-2023-1303 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-1303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1303?: CVE-2023-1303 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1303?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1303 published?: CVE-2023-1303 was published on 2023-03-09 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Ucms Project Ucms

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CVE-2022-35426 — Critical (CVSS 9.8): UCMS 1.6 is vulnerable to arbitrary file upload via ucms/sadmin/file PHP file.
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CVE-2018-17036 — Critical (CVSS 9.8): An issue was discovered in UCMS 1.4.6 and 1.6. It allows PHP code injection during installation via the systemdomain…
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