CVE-2026-91830 (GCVE-0-2026-91830)

Vulnerability from cvelistv5 – Published: 2026-10-16 06:00 – Updated: 2026-10-16 06:00
VLAI
Title
Subscribe to Comments < 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie
Summary
The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.
Severity
No CVSS data available.
CWE
Assigner
WPScan CNA under the mitre root
CNA scorecard E 44/100 over 1677 records in the last 180 days details
References
URL Tags
https://wpscan.com/vulnerability/b2b1638a-f8af-49… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version CPE status
Unknown Subscribe to Comments Affected: 0 , < 2.3.3 (semver)
guessed Create a notification for this product.
Credits
Het Kalariya WPScan
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Subscribe to Comments",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "2.3.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Het Kalariya"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber\u0027s management key and silently alter that subscriber\u0027s subscriptions."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-200 Information Exposure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-16T06:00:11.688Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Subscribe to Comments \u003c 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-91830",
    "datePublished": "2026-10-16T06:00:11.688Z",
    "dateReserved": "2026-09-15T08:14:19.217Z",
    "dateUpdated": "2026-10-16T06:00:11.688Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Subscribe to Comments",
                "vendor": "Unknown",
                "versions": [
                  {
                    "lessThan": "2.3.3",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "contact@wpscan.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber\u0027s management key and silently alter that subscriber\u0027s subscriptions."
          }
        ],
        "id": "CVE-2026-91830",
        "lastModified": "2026-10-16T07:17:13.700",
        "metrics": {},
        "published": "2026-10-16T07:17:13.700",
        "references": [
          {
            "source": "contact@wpscan.com",
            "url": "https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1/"
          }
        ],
        "sourceIdentifier": "contact@wpscan.com",
        "vulnStatus": "Received"
      }
    }
  }
}



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