CVE-2023-6887: saysky ForestBlog Image Upload img unrestricted upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-17 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

Sayski ForestBlog: through 2022-06-30

References

https://github.com/daydust/vuln/blob/main/ForestBlog/Arbitrary_File_Upload_Vulnerability.md
https://vuldb.com/?ctiid.248247
https://vuldb.com/?id.248247
https://github.com/daydust/vuln/blob/main/ForestBlog/Arbitrary_File_Upload_Vulnerability.md
https://vuldb.com/?ctiid.248247
https://vuldb.com/?id.248247

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