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CVE-2026-4495

Estado: AplazadaBaja (2)—

A security flaw has been discovered in atjiu pybbs 6.0.0. This impacts the function create of the file src/main/java/co/yiiu/pybbs/controller/api/CommentApiController.java. The manipulation results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Atjiu — PybbsAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-4495",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-4495",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-20T21:26:19.109883Z"
        }
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    ],
    "cvssMetricV2": [
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
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          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
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          "availabilityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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        "impactScore": 1.4,
        "exploitabilityScore": 2.1
      }
    ],
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        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 2,
          "Automatable": "NOT_DEFINED",
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          "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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "PASSIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  },
  "affected": [
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      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "vendor": "atjiu",
          "product": "pybbs",
          "versions": [
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              "status": "affected",
              "version": "6.0.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-20T18:16:18.000",
  "references": [
    {
      "url": "https://fx4tqqfvdw4.feishu.cn/docx/PN3YdPBpsowyU1xTV1VcVTm9nzg?from=from_copylink",
      "source": "cna@vuldb.com"
    },
    {
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?id.352021",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?submit.773780",
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in atjiu pybbs 6.0.0. This impacts the function create of the file src/main/java/co/yiiu/pybbs/controller/api/CommentApiController.java. The manipulation results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en atjiu pybbs 6.0.0. Esto afecta a la función create del archivo src/main/java/co/yiiu/pybbs/controller/API/CommentApiController.java. La manipulación resulta en cross site scripting. Es posible lanzar el ataque remotamente. El exploit ha sido publicado y puede ser utilizado para ataques."
    }
  ],
  "lastModified": "2026-06-17T10:56:42.100",
  "sourceIdentifier": "cna@vuldb.com"
}