GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-0876 (GCVE-0-2023-0876)

Vulnerability from cvelistv5 – Published: 2023-03-20 15:52 – Updated: 2025-02-26 18:48
VLAI
Title
WP Meta SEO < 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect
Summary
The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability.
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-26 18:48 UTC
CWE
Assigner
References
URL Tags
https://wpscan.com/vulnerability/1a8c97f9-98fa-4e… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version CPE status
Unknown WP Meta SEO Affected: 0 , < 4.5.3 (custom)
guessed Create a notification for this product.
Credits
dc11 WPScan
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:24:34.637Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "exploit",
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-0876",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-26T18:48:13.152973Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-26T18:48:38.355Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "WP Meta SEO",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "4.5.3",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "dc11"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-601 URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-20T15:52:08.281Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WP Meta SEO \u003c 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2023-0876",
    "datePublished": "2023-03-20T15:52:08.281Z",
    "dateReserved": "2023-02-16T22:50:25.786Z",
    "dateUpdated": "2025-02-26T18:48:38.355Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-0876",
      "date": "2026-09-16",
      "epss": "0.00713",
      "percentile": "0.51914"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:joomunited:wp_meta_seo:*:*:*:*:*:wordpress:*:*\", \"versionEndExcluding\": \"4.5.3\", \"matchCriteriaId\": \"0566D8FD-19D5-4111-A231-D1AB20EAAB7B\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability.\"}]",
      "id": "CVE-2023-0876",
      "lastModified": "2024-11-21T07:38:01.187",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\", \"baseScore\": 6.1, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.7}]}",
      "published": "2023-03-20T16:15:12.653",
      "references": "[{\"url\": \"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\", \"source\": \"contact@wpscan.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "contact@wpscan.com",
      "vulnStatus": "Modified"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-0876\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2023-03-20T16:15:12.653\",\"lastModified\":\"2026-06-17T05:26:32.290\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"WP Meta SEO\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"4.5.3\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-26T18:48:13.152973Z\",\"id\":\"CVE-2023-0876\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:joomunited:wp_meta_seo:*:*:*:*:*:wordpress:*:*\",\"versionEndExcluding\":\"4.5.3\",\"matchCriteriaId\":\"0566D8FD-19D5-4111-A231-D1AB20EAAB7B\"}]}]}],\"references\":[{\"url\":\"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\",\"source\":\"contact@wpscan.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-28T22:42:53+00:00",
      "cve": "CVE-2023-0876",
      "id": "CVE-2023-0876",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "WP Meta SEO \u003c 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0876.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81\", \"shortName\": \"WPScan\", \"dateUpdated\": \"2023-03-20T15:52:08.281Z\"}, \"title\": \"WP Meta SEO \u003c 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect\", \"problemTypes\": [{\"descriptions\": [{\"description\": \"CWE-601 URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"affected\": [{\"vendor\": \"Unknown\", \"product\": \"WP Meta SEO\", \"versions\": [{\"status\": \"affected\", \"versionType\": \"custom\", \"version\": \"0\", \"lessThan\": \"4.5.3\"}], \"defaultStatus\": \"unaffected\", \"collectionURL\": \"https://wordpress.org/plugins\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability.\"}], \"references\": [{\"url\": \"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\", \"tags\": [\"exploit\", \"vdb-entry\", \"technical-description\"]}], \"credits\": [{\"lang\": \"en\", \"value\": \"dc11\", \"type\": \"finder\"}, {\"lang\": \"en\", \"value\": \"WPScan\", \"type\": \"coordinator\"}], \"source\": {\"discovery\": \"EXTERNAL\"}, \"x_generator\": {\"engine\": \"WPScan CVE Generator\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T05:24:34.637Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea\", \"tags\": [\"exploit\", \"vdb-entry\", \"technical-description\", \"x_transferred\"]}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 6.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-0876\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-26T18:48:13.152973Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-26T18:48:32.753Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-0876\", \"assignerOrgId\": \"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"WPScan\", \"dateReserved\": \"2023-02-16T22:50:25.786Z\", \"datePublished\": \"2023-03-20T15:52:08.281Z\", \"dateUpdated\": \"2025-02-26T18:48:38.355Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.