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CVE-2023-3852RapidCMS Unrestricted File Upload

It has been declared as critical.

Published Jul 23, 2023 · Updated Aug 12, 2026

Key Facts

Patch immediately
  • CVE-2023-3852 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting RapidCMS (Openrapid).
  • It is exploited in the wild, listed in Industry KEV feed since Sep 18, 2024. No public exploit code is known.
  • EPSS estimates a 25% probability of exploitation in the next 30 days.
  • Fixed versions are available, including RapidCMS <=1.3.1, RapidCMS 1.3.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

7.2

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

EPSS (30-day exploit likelihood)

25%

Higher than 97.9% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

41/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Sep 18, 2024

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Description

A vulnerability was found in OpenRapid RapidCMS up to 1.3.1. It has been declared as critical. This vulnerability affects unknown code of the file /admin/upload.php.

The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

The name of the patch is 4dff387283060961c362d50105ff8da8ea40bcbe. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-235204.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedSep 18, 2024n/aNot reported

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
RapidCMSOpenrapid>= 1.3.01.3.1

Patched Releases

RapidCMS

<=1.3.1

Timeline

  1. Publicly disclosed

    Jul 23, 2023

  2. Added to Industry KEV feed

    Sep 18, 2024

  3. Last updated

    Aug 12, 2026

Weakness Type

  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

2 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2023-3852 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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