FKIE_CVE-2021-42551

Vulnerability from fkie_nvd - Published: 2022-01-14 10:15 - Updated: 2026-06-17 04:09
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.
References
vulnerability@ncsc.chhttps://www.redguard.ch/advisories/netbiblio_webopac.txtExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.redguard.ch/advisories/netbiblio_webopac.txtExploit, Third Party Advisory
Impacted products
Vendor Product Version
alcoda netbiblio *
alcoda netbiblio *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "NetBiblio WebOPAC",
          "vendor": "AlCoda",
          "versions": [
            {
              "lessThan": "4.0.0.320",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "next of 4.0.0.328",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "unaffected",
              "version": "4.0.0.335",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "vulnerability@ncsc.ch"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:alcoda:netbiblio:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A9D93F64-CDC1-41DB-81D7-AAD2456679C4",
              "versionEndExcluding": "4.0.0.320",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:alcoda:netbiblio:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "83F02883-5481-45D1-AFC4-A8F1959E8CC9",
              "versionEndExcluding": "4.0.0.335",
              "versionStartIncluding": "4.0.0.328",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo cross-Site Scripting (XSS) en la funcionalidad search de AlCoda NetBiblio WebOPAC permite a un usuario no autenticado elaborar un ataque de tipo cross-Site Scripting reflejado. Este problema afecta a: AlCoda NetBiblio WebOPAC versiones anteriores a 4.0.0.320; versiones posteriores a 4.0.0.328. Este problema no afecta a: AlCoda NetBiblio WebOPAC versi\u00f3n 4.0.0.335 y posteriores"
    }
  ],
  "id": "CVE-2021-42551",
  "lastModified": "2026-06-17T04:09:48.780",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "vulnerability@ncsc.ch",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-01-14T10:15:07.960",
  "references": [
    {
      "source": "vulnerability@ncsc.ch",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.redguard.ch/advisories/netbiblio_webopac.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.redguard.ch/advisories/netbiblio_webopac.txt"
    }
  ],
  "sourceIdentifier": "vulnerability@ncsc.ch",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "vulnerability@ncsc.ch",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.