How severe is CVE-2023-6902?

CVE-2023-6902 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-6902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6902?

CVE-2023-6902 affects Codelyfe Stupid Simple Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6902?

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

When was CVE-2023-6902 published?

CVE-2023-6902 was published on 2023-12-17 and last updated on 2026-06-17.

CVE-2023-6902

CVE-2023-6902 is a medium-severity vulnerability in Codelyfe Stupid Simple Cms with a CVSS 3.x base score of 5.5. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.2
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Codelyfe Stupid Simple Cms
Published: 2023-12-17
Last modified: 2026-06-17

Description

A vulnerability has been found in codelyfe Stupid Simple CMS up to 1.2.4 and classified as critical. This vulnerability affects unknown code of the file /file-manager/upload.php. The manipulation of the argument file leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248260.

Frequently asked questions

What is CVE-2023-6902?: A vulnerability has been found in codelyfe Stupid Simple CMS up to 1.2.4 and classified as critical. This vulnerability affects unknown code of the file /file-manager/upload.php. The manipulation of the argument file leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248260.
How severe is CVE-2023-6902?: CVE-2023-6902 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-6902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6902?: CVE-2023-6902 affects Codelyfe Stupid Simple Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6902 published?: CVE-2023-6902 was published on 2023-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:codelyfe:stupid_simple_cms:*:*:*:*:*:*:*:*

More vulnerabilities in Codelyfe Stupid Simple Cms

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CVE-2024-27558 — Medium (CVSS 6.1): Stupid Simple CMS 1.2.4 is vulnerable to Cross Site Scripting (XSS) within the blog title of the settings.
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Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

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CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.

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