Vulnerability-Lookup

CVE-2026-82601 (GCVE-0-2026-82601)

Vulnerability from cvelistv5 – Published: 2026-08-31 01:15 – Updated: 2026-08-31 17:57 X_Freeware

Title

SeaCMS err.php cross site scripting

Summary

A weakness has been identified in SeaCMS up to 13.6. This affects an unknown part of the file /err.php. Executing a manipulation of the argument errtxt can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Severity

5.3 (Medium)


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

4.3 (Medium)


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

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/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 · CISA-ADP (v2.0.3)

Decision recorded 2026-08-31 17:57 UTC

CWE

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

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/397103	vdb-entrytechnical-description
https://vuldb.com/vuln/397103/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82601	third-party-advisory
https://vuldb.com/submit/892786	third-party-advisory
https://github.com/T-Chachamaru/seacms-13.6-secur…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	SeaCMS	Affected: 13.0 Affected: 13.1 Affected: 13.2 Affected: 13.3 Affected: 13.4 Affected: 13.5 Affected: 13.6 cpe:2.3:a:seacms:seacms::::::::

Credits

T-Chachamaru (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-82601

Vulnerability from fkie_nvd - Published: 2026-08-31 02:17 - Updated: 2026-08-31 20:56

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-007-errtxt-reflected-xss.md
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-82601
	cna@vuldb.com	https://vuldb.com/submit/892786
	cna@vuldb.com	https://vuldb.com/vuln/397103
	cna@vuldb.com	https://vuldb.com/vuln/397103/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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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": "NONE",
          "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:N/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",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-82601",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-31T17:57:31.513667Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-31T02:17:02.817",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-007-errtxt-reflected-xss.md"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-82601"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/892786"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397103"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397103/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-HM5G-8J63-J96Q

Vulnerability from github – Published: 2026-08-31 03:33 – Updated: 2026-08-31 03:33

Details

Severity

4.3 (Medium)


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

2.1 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-82601"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-31T02:17:02Z",
    "severity": "LOW"
  },
  "details": "A weakness has been identified in SeaCMS up to 13.6. This affects an unknown part of the file /err.php. Executing a manipulation of the argument errtxt can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.",
  "id": "GHSA-hm5g-8j63-j96q",
  "modified": "2026-08-31T03:33:16Z",
  "published": "2026-08-31T03:33:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82601"
    },
    {
      "type": "WEB",
      "url": "https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-007-errtxt-reflected-xss.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-82601"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/892786"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397103"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397103/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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.

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-2026-82601 (GCVE-0-2026-82601)

FKIE_CVE-2026-82601

GHSA-HM5G-8J63-J96Q

Tags

Sightings

Nomenclature