CVE-2023-27178 — An arbitrary file upload vulnerability in the upload function of GDidees CMS 3

An arbitrary file upload vulnerability in the upload function of GDidees CMS 3.9.1 allows attackers to execute arbitrary code via a crafted file.

01What is this vulnerability?

An arbitrary file upload vulnerability in the upload function of GDidees CMS 3.9.1 allows attackers to execute arbitrary code via a crafted file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2023-04-10T00:00:00.000Z
• Last modified: 2025-02-11T15:59:47.206Z

09References

• salsa.debian.org — https://salsa.debian.org/php-team/php/-/blob/dc253886b5b2e9bc8d9e36db787abb083a6…
• www.gdidees.eu — https://www.gdidees.eu/cms-1-0.html
• nvd.nist.gov — https://nvd.nist.gov/vuln/detail/CVE-2022-40797
• gist.github.com — https://gist.github.com/Hadi999/4bc173bfb802c229b9bb397fa906847b