Is CVE-2023-6887 actively exploited?

No active exploitation of CVE-2023-6887 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-6887 be exploited remotely?

Yes. CVE-2023-6887 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-6887?

CVE-2023-6887 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-6887

CWE-434Published: December 17, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability classified as critical has been found in saysky ForestBlog up to 20220630. This affects an unknown part of the file /admin/upload/img of the component Image Upload Handler. The manipulation of the argument filename leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-248247.

NVD Source

Risk Analysis

ForestBlog up to 20220630 contains an unrestricted file upload vulnerability in the image upload handler. This critical flaw allows remote attackers to upload arbitrary files, potentially leading to full system compromise.

No public exploit is currently known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Restrict access to the administrative upload functionality and ensure the application is updated to the latest available version.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-6887 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.