CVE-2023-33177 (GCVE-0-2023-33177)

Vulnerability from cvelistv5 – Published: 2023-05-30 19:12 – Updated: 2025-06-17 20:21
VLAI Previdian
Title
Xibo CMS vulnerable to Remote Code Execution through Zip Slip
Summary
Xibo is a content management system (CMS). A path traversal vulnerability exists in the Xibo CMS whereby a specially crafted zip file can be uploaded to the CMS via the layout import function by an authenticated user which would allow creation of files outside of the CMS library directory as the webserver user. This can be used to upload a PHP webshell inside the web root directory and achieve remote code execution as the webserver user. Users should upgrade to version 2.3.17 or 3.3.5, which fix this issue. Customers who host their CMS with Xibo Signage have already received an upgrade or patch to resolve this issue regardless of the CMS version that they are running.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 21:17 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7994 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
xibosignage xibo-cms Affected: >= 1.8.0, < 2.3.17
Affected: >= 3.0.0, < 3.3.5
guessed Create a notification for this product.
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 985b93c6-f4d3-463b-9e40-ed63f3f00c56

Vulnerability ID: CVE-2023-33177

Status: Confirmed

Status Updated: 2025-11-17 15:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-11-17
Asserted: 2025-11-17
Scope
Notes: KEVIntel entry: Xibo CMS vulnerable to Remote Code Execution through Zip Slip | Affected: xibosignage / xibo-cms | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Xibo CMS vulnerable to Remote Code Execution through Zip Slip
Vendor xibosignage
Product xibo-cms
Added Date 2025-11-17T15:00:08.000Z
Cvss Score 8.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC
Show details on NVD website
To clipboard 

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              ],
              "url": "https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-jj27-x85q-crqv"
            },
            {
              "name": "https://github.com/xibosignage/xibo-cms/commit/1cbba380fa751a00756e70d7b08b5c6646092658",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/xibosignage/xibo-cms/commit/1cbba380fa751a00756e70d7b08b5c6646092658"
            },
            {
              "name": "https://github.com/xibosignage/xibo-cms/commit/45c6b53c3978639db03b63270a56f4397f49b2c9",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/xibosignage/xibo-cms/commit/45c6b53c3978639db03b63270a56f4397f49b2c9"
            },
            {
              "name": "https://claroty.com/team82/disclosure-dashboard",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://claroty.com/team82/disclosure-dashboard"
            },
            {
              "name": "https://xibosignage.com/blog/security-advisory-2023-05/",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://xibosignage.com/blog/security-advisory-2023-05/"
            }
          ],
          "source": {
            "advisory": "GHSA-jj27-x85q-crqv",
            "discovery": "UNKNOWN"
          },
          "title": "Xibo CMS vulnerable to Remote Code Execution through Zip Slip"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-33177",
        "datePublished": "2023-05-30T19:12:01.606Z",
        "dateReserved": "2023-05-17T22:25:50.696Z",
        "dateUpdated": "2025-06-17T20:21:25.891Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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