Vulnerability-Lookup

CVE-2026-7501 (GCVE-0-2026-7501)

Vulnerability from cvelistv5 – Published: 2026-04-30 20:45 – Updated: 2026-05-01 19:30

Title

LinkStackOrg LinkStack UserController.php editPage cross site scripting

Summary

A weakness has been identified in LinkStackOrg LinkStack up to 4.8.6. Impacted is the function editPage of the file app/Http/Controllers/UserController.php. Executing a manipulation of the argument pageDescription can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a pull request but has not reacted yet.

Severity

5.1 (Medium)


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

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

3.5 (Low)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Cross Site Scripting
CWE-94 - Code Injection

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/360311	vdb-entrytechnical-description
https://vuldb.com/vuln/360311/cti	signaturepermissions-required
https://vuldb.com/submit/801651	third-party-advisory
https://github.com/LinkStackOrg/LinkStack/pull/974	issue-trackingpatch
https://github.com/az10b/security-advisories/blob…	exploit
https://github.com/LinkStackOrg/LinkStack/	product

Impacted products

1 product

Vendor	Product	Version
LinkStackOrg	LinkStack	Affected: 4.8.0 Affected: 4.8.1 Affected: 4.8.2 Affected: 4.8.3 Affected: 4.8.4 Affected: 4.8.5 Affected: 4.8.6

Credits

AliAz (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-7501

Vulnerability from fkie_nvd - Published: 2026-04-30 21:16 - Updated: 2026-05-01 15:26

Severity

3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/LinkStackOrg/LinkStack/
	cna@vuldb.com	https://github.com/LinkStackOrg/LinkStack/pull/974
	cna@vuldb.com	https://github.com/az10b/security-advisories/blob/main/stored_xss_linkstack.md
	cna@vuldb.com	https://vuldb.com/submit/801651
	cna@vuldb.com	https://vuldb.com/vuln/360311
	cna@vuldb.com	https://vuldb.com/vuln/360311/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A weakness has been identified in LinkStackOrg LinkStack up to 4.8.6. Impacted is the function editPage of the file app/Http/Controllers/UserController.php. Executing a manipulation of the argument pageDescription can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a pull request but has not reacted yet."
    }
  ],
  "id": "CVE-2026-7501",
  "lastModified": "2026-05-01T15:26:24.553",
  "metrics": {
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          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
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          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
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        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-30T21:16:34.360",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/LinkStackOrg/LinkStack/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/LinkStackOrg/LinkStack/pull/974"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/az10b/security-advisories/blob/main/stored_xss_linkstack.md"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/801651"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/360311"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/360311/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-3V6F-P2HC-XQ2J

Vulnerability from github – Published: 2026-04-30 21:30 – Updated: 2026-04-30 21:30

Details

Severity

3.5 (Low)


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

2.0 (Low)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-7501"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-30T21:16:34Z",
    "severity": "LOW"
  },
  "details": "A weakness has been identified in LinkStackOrg LinkStack up to 4.8.6. Impacted is the function editPage of the file app/Http/Controllers/UserController.php. Executing a manipulation of the argument pageDescription can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a pull request but has not reacted yet.",
  "id": "GHSA-3v6f-p2hc-xq2j",
  "modified": "2026-04-30T21:30:39Z",
  "published": "2026-04-30T21:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7501"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LinkStackOrg/LinkStack/pull/974"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LinkStackOrg/LinkStack"
    },
    {
      "type": "WEB",
      "url": "https://github.com/az10b/security-advisories/blob/main/stored_xss_linkstack.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/801651"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/360311"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/360311/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Action not permitted

CVE-2026-7501 (GCVE-0-2026-7501)

FKIE_CVE-2026-7501

GHSA-3V6F-P2HC-XQ2J

Tags

Sightings

Nomenclature