Vulnerability-Lookup

CVE-2026-16260 (GCVE-0-2026-16260)

Vulnerability from cvelistv5 – Published: 2026-08-22 06:00 – Updated: 2026-08-23 15:31

Title

Post Grid, Slider & Carousel Ultimate < 1.8.1 - Contributor+ Stored XSS via Header Title Field

Summary

The Post Grid, Slider & Carousel Ultimate WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.

Severity

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-23 15:27 UTC

CWE

CWE-79 Cross-Site Scripting (XSS)
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

WPScan mitre root

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/87c95831-d1b4-42…	exploitvdb-entrytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Unknown	Post Grid, Slider & Carousel Ultimate	Affected: 0 , < 1.8.1 (semver)	guessed

Credits

Yaswanth Reddy Sunkara WPScan

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.8,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-16260",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-23T15:27:37.837799Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-79",
                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-23T15:31:52.252Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Post Grid, Slider \u0026 Carousel Ultimate",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.8.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yaswanth Reddy Sunkara"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Post Grid, Slider \u0026 Carousel Ultimate  WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-79 Cross-Site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-22T06:00:15.962Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Post Grid, Slider \u0026 Carousel Ultimate \u003c 1.8.1 - Contributor+ Stored XSS via Header Title Field",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-16260",
    "datePublished": "2026-08-22T06:00:15.962Z",
    "dateReserved": "2026-07-20T08:30:12.390Z",
    "dateUpdated": "2026-08-23T15:31:52.252Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-16260",
      "date": "2026-08-23",
      "epss": "0.00163",
      "percentile": "0.05996"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-16260\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-08-22T06:16:14.833\",\"lastModified\":\"2026-08-23T16:16:36.767\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Post Grid, Slider \u0026 Carousel Ultimate  WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"Post Grid, Slider \u0026 Carousel Ultimate\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"1.8.1\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-08-23T15:27:37.837799Z\",\"id\":\"CVE-2026-16260\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/\",\"source\":\"contact@wpscan.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-16260\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-23T15:27:37.837799Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-23T15:24:58.989Z\"}}], \"cna\": {\"title\": \"Post Grid, Slider \u0026 Carousel Ultimate \u003c 1.8.1 - Contributor+ Stored XSS via Header Title Field\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Yaswanth Reddy Sunkara\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"WPScan\"}], \"affected\": [{\"vendor\": \"Unknown\", \"product\": \"Post Grid, Slider \u0026 Carousel Ultimate\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"1.8.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/\", \"tags\": [\"exploit\", \"vdb-entry\", \"technical-description\"]}], \"x_generator\": {\"engine\": \"WPScan CVE Generator\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Post Grid, Slider \u0026 Carousel Ultimate  WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-79 Cross-Site Scripting (XSS)\"}]}], \"providerMetadata\": {\"orgId\": \"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81\", \"shortName\": \"WPScan\", \"dateUpdated\": \"2026-08-22T06:00:15.962Z\"}}}",
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-16260

Vulnerability from fkie_nvd - Published: 2026-08-22 06:16 - Updated: 2026-08-22 06:16

Severity

Summary

References

	URL	Tags
	contact@wpscan.com	https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Post Grid, Slider \u0026 Carousel Ultimate",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.8.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Post Grid, Slider \u0026 Carousel Ultimate  WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item."
    }
  ],
  "id": "CVE-2026-16260",
  "lastModified": "2026-08-22T06:16:14.833",
  "metrics": {},
  "published": "2026-08-22T06:16:14.833",
  "references": [
    {
      "source": "contact@wpscan.com",
      "url": "https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Received"
}

GHSA-9JF6-VW36-77HJ

Vulnerability from github – Published: 2026-08-22 06:31 – Updated: 2026-08-22 06:31

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-16260"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-22T06:16:14Z",
    "severity": null
  },
  "details": "The Post Grid, Slider \u0026 Carousel Ultimate  WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.",
  "id": "GHSA-9jf6-vw36-77hj",
  "modified": "2026-08-22T06:31:27Z",
  "published": "2026-08-22T06:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16260"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-16260 (GCVE-0-2026-16260)

FKIE_CVE-2026-16260

GHSA-9JF6-VW36-77HJ

Tags

Sightings

Nomenclature