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CVE-2021-36916 (GCVE-0-2021-36916)

Vulnerability from cvelistv5 – Published: 2021-11-24 16:29 – Updated: 2026-04-28 16:07
VLAI
Title
WordPress Hide My WP premium plugin <= 6.2.3 - Unauthenticated SQL injection (SQLi) vulnerability
Summary
The SQL injection vulnerability in the Hide My WP WordPress plugin (versions <= 6.2.3) is possible because of how the IP address is retrieved and used inside a SQL query. The function "hmwp_get_user_ip" tries to retrieve the IP address from multiple headers, including IP address headers that the user can spoof, such as "X-Forwarded-For." As a result, the malicious payload supplied in one of these IP address headers will be directly inserted into the SQL query, making SQL injection possible.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-28 16:45 UTC
CWE
Impacted products
Vendor Product Version CPE status
wpWave Hide My WP (WordPress plugin) Affected: <= 6.2.3 , ≤ 6.2.3 (custom)
guessed Create a notification for this product.
Date Public
2021-11-24 00:00
Show details on NVD website

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                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "wpWave"
                  }
                ]
              }
            },
            "credit": [
              {
                "lang": "eng",
                "value": "Vulnerability discovered by Dave Jong (Patchstack)."
              }
            ],
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "The SQL injection vulnerability in the Hide My WP WordPress plugin (versions \u003c= 6.2.3) is possible because of how the IP address is retrieved and used inside a SQL query. The function \"hmwp_get_user_ip\" tries to retrieve the IP address from multiple headers, including IP address headers that the user can spoof, such as \"X-Forwarded-For.\" As a result, the malicious payload supplied in one of these IP address headers will be directly inserted into the SQL query, making SQL injection possible."
                }
              ]
            },
            "generator": {
              "engine": "Vulnogram 0.0.9"
            },
            "impact": {
              "cvss": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
                "version": "3.1"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-89 SQL Injection"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://codecanyon.net/item/hide-my-wp-amazing-security-plugin-for-wordpress/4177158",
                  "refsource": "CONFIRM",
                  "url": "https://codecanyon.net/item/hide-my-wp-amazing-security-plugin-for-wordpress/4177158"
                },
                {
                  "name": "https://patchstack.com/hide-my-wp-vulnerabilities-fixed/",
                  "refsource": "MISC",
                  "url": "https://patchstack.com/hide-my-wp-vulnerabilities-fixed/"
                },
                {
                  "name": "https://patchstack.com/database/vulnerability/hide-my-wp/wordpress-hide-my-wp-premium-plugin-6-2-3-sql-injection-sqli-vulnerability",
                  "refsource": "MISC",
                  "url": "https://patchstack.com/database/vulnerability/hide-my-wp/wordpress-hide-my-wp-premium-plugin-6-2-3-sql-injection-sqli-vulnerability"
                }
              ]
            },
            "solution": [
              {
                "lang": "en",
                "value": "Update to 6.2.4 or higher version."
              }
            ],
            "source": {
              "discovery": "EXTERNAL"
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "assignerShortName": "Patchstack",
        "cveId": "CVE-2021-36916",
        "datePublished": "2021-11-24T16:29:41.073Z",
        "dateReserved": "2021-07-19T00:00:00.000Z",
        "dateUpdated": "2025-03-28T16:45:57.640Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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