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5 vulnerabilities found for ActivityPub by Unknown

CVE-2026-4338 (GCVE-0-2026-4338)
Vulnerability from cvelistv5
Published
2026-04-08 06:00
Modified
2026-04-08 16:06
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Summary
The ActivityPub WordPress plugin before 8.0.2 does not properly filter posts to be displayed, allowed unauthenticated users to access drafts/scheduled/pending posts
References
Impacted products
Vendor Product Version
Unknown ActivityPub Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

{
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          {
            "cvssV3_1": {
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              "attackVector": "NETWORK",
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              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "ActivityPub Routing \u003c 8.0.2 - Unauthenticated Drafts/Scheduled/Pending Posts Disclosure",
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        "engine": "WPScan CVE Generator"
      }
    }
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2023-3706 (GCVE-0-2023-3706)
Vulnerability from cvelistv5
Published
2023-10-16 19:39
Modified
2025-04-23 16:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
The ActivityPub WordPress plugin before 1.0.0 does not ensure that post titles to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the title of arbitrary post (such as draft and private) via an IDOR vector
References
Impacted products
Vendor Product Version
Unknown ActivityPub Version: 0   < 1.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
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          }
        ],
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      },
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        }
      ],
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          ]
        }
      ],
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        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
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        "engine": "WPScan CVE Generator"
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  },
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    "dateReserved": "2023-07-17T11:43:58.316Z",
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  },
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  "dataVersion": "5.1"
}

CVE-2023-3746 (GCVE-0-2023-3746)
Vulnerability from cvelistv5
Published
2023-10-16 19:39
Modified
2025-04-23 16:12
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
Summary
The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post content, which could allow contributor and above role to perform Stored Cross-Site Scripting attacks
References
Impacted products
Vendor Product Version
Unknown ActivityPub Version: 0   < 1.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
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      {
        "providerMetadata": {
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        ],
        "title": "CVE Program Container"
      },
      {
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          {
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              "attackVector": "NETWORK",
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          },
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      ],
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        }
      ],
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      ],
      "providerMetadata": {
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      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "ActivityPub for WordPress \u003c 1.0.1 - Contributor+ Stored XSS",
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        "engine": "WPScan CVE Generator"
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  },
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}

CVE-2023-5057 (GCVE-0-2023-5057)
Vulnerability from cvelistv5
Published
2023-10-16 19:39
Modified
2024-08-02 07:44
Severity ?
CWE
Summary
The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks
References
Impacted products
Vendor Product Version
Unknown ActivityPub Version: 0   < 1.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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}

CVE-2023-3707 (GCVE-0-2023-3707)
Vulnerability from cvelistv5
Published
2023-10-16 19:39
Modified
2025-04-23 16:12
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
The ActivityPub WordPress plugin before 1.0.0 does not ensure that post contents to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the content of arbitrary post (such as draft and private) via an IDOR vector. Password protected posts are not affected by this issue.
References
Impacted products
Vendor Product Version
Unknown ActivityPub Version: 0   < 1.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
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        }
      ],
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      ],
      "source": {
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      },
      "title": "ActivityPub for WordPress \u003c 1.0.0 - Subscriber+ Arbitrary Post Content Disclosure",
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        "engine": "WPScan CVE Generator"
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  },
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    "datePublished": "2023-10-16T19:39:12.296Z",
    "dateReserved": "2023-07-17T11:44:17.858Z",
    "dateUpdated": "2025-04-23T16:12:12.691Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}