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CVE-2026-109322 (GCVE-0-2026-109322)

Vulnerability from nvd – Published: 2026-10-12 16:05 – Updated: 2026-10-15 02:45

Title

Grav Guestbook before 0.5.2 Stored XSS via AJAX Pagination and Admin Views

Summary

Grav Guestbook plugin before 0.5.2 contains a stored cross-site scripting vulnerability because its AJAX Load more and Admin Load all handlers insert stored author and message fields into the DOM as unescaped HTML via jQuery. Unauthenticated visitors can submit markup that executes in other visitors' browsers and, in versions 0.5.0 and 0.5.1, in administrator moderation sessions.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

6.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 02:45 UTC

CWE

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

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6430 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-guestbo…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-guestbook	Affected: 0 , < 0.5.2 (semver) Unaffected: 0.5.2 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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CVE-2026-109319 (GCVE-0-2026-109319)

Vulnerability from nvd – Published: 2026-10-12 16:05 – Updated: 2026-10-13 16:54

Title

Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation

Summary

Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator's session via nonce-less GET requests, can delete or approve Guestbook entries.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-13 15:48 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6430 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-guestbo…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-guestbook	Affected: 0.5.0 , < 0.5.2 (semver) Unaffected: 0.5.2 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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CVE-2026-109322 (GCVE-0-2026-109322)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-15 02:45

Title

Grav Guestbook before 0.5.2 Stored XSS via AJAX Pagination and Admin Views

Summary

Grav Guestbook plugin before 0.5.2 contains a stored cross-site scripting vulnerability because its AJAX Load more and Admin Load all handlers insert stored author and message fields into the DOM as unescaped HTML via jQuery. Unauthenticated visitors can submit markup that executes in other visitors' browsers and, in versions 0.5.0 and 0.5.1, in administrator moderation sessions.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

6.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 02:45 UTC

CWE

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

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6430 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-guestbo…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-guestbook	Affected: 0 , < 0.5.2 (semver) Unaffected: 0.5.2 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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CVE-2026-109319 (GCVE-0-2026-109319)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-13 16:54

Title

Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation

Summary

Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator's session via nonce-less GET requests, can delete or approve Guestbook entries.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-13 15:48 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6430 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-guestbo…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-guestbook	Affected: 0.5.0 , < 0.5.2 (semver) Unaffected: 0.5.2 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-109319",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-13T15:48:56.107959Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-13T16:54:36.148Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "grav-plugin-guestbook",
          "repo": "https://github.com/getgrav/grav-plugin-guestbook",
          "vendor": "getgrav",
          "versions": [
            {
              "lessThan": "0.5.2",
              "status": "affected",
              "version": "0.5.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.5.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "AlpetGexha"
        }
      ],
      "datePublic": "2026-09-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator\u0027s session via nonce-less GET requests, can delete or approve Guestbook entries."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-12T16:05:12.179Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-wxr7-h5mm-c7mv)",
          "tags": [
            "vendor-advisory",
            "third-party-advisory"
          ],
          "url": "https://github.com/getgrav/grav/security/advisories/GHSA-wxr7-h5mm-c7mv"
        },
        {
          "name": "VulnCheck Advisory: Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/grav-guestbook-plugin-0.5.0-and-0.5.1-missing-authorization-and-csrf-in-moderation"
        }
      ],
      "title": "Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-109319",
    "datePublished": "2026-10-12T16:05:12.179Z",
    "dateReserved": "2026-10-12T14:15:29.011Z",
    "dateUpdated": "2026-10-13T16:54:36.148Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Find a vulnerability

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4 vulnerabilities found for grav-plugin-guestbook by getgrav

CVE-2026-109322 (GCVE-0-2026-109322)

CVE-2026-109319 (GCVE-0-2026-109319)

CVE-2026-109322 (GCVE-0-2026-109322)

CVE-2026-109319 (GCVE-0-2026-109319)