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CVE-2023-6902· NVD / CVE Program· CNA VulDB

codelyfe Stupid Simple CMS upload.php unrestricted upload

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.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Dec 17, 2023
Updated
Jun 17, 2026
EPSS
1.0% · 60th percentile
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Report tools

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Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

CNA vs NVD score

NVD
9.8
CNA · VulDB
5.5
4.3 point gap

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
codelyfestupid simple cms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • codelyfe stupid simple cmsup to 1.2.4 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • codelyfe Stupid Simple CMS

    • 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4affected

Same product

codelyfe: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-6901codelyfe Stupid Simple CMS HTTP POST Request handle-command.php os command injection
    40Plan
  • CVE-2023-6907codelyfe Stupid Simple CMS Deletion Interface delete.php improper authentication
    36Monitor
  • CVE-2024-27689Stupid Simple CMS v1.2.4 was discovered to contain a Cross-Site Request Forgery (CSRF) via /update-article.php.
    35Monitor
  • CVE-2024-22715Stupid Simple CMS <=1.2.4 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /admin-edit.php.
    35Monitor
  • CVE-2023-7040codelyfe Stupid Simple CMS rename.php path traversal
    26Monitor
  • CVE-2024-27559Stupid Simple CMS v1.2.4 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /save_settings.php
    25Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-434 · Unrestricted Upload of File with Dangerous Type

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records