Vulnerability-Lookup

FKIE_CVE-2021-33557

Vulnerability from fkie_nvd - Published: 2021-06-17 19:15 - Updated: 2026-06-17 03:54

Severity

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

Summary

An XSS issue was discovered in manage_custom_field_edit_page.php in MantisBT before 2.25.2. Unescaped output of the return parameter allows an attacker to inject code into a hidden input field.

References

URL	Tags
cve@mitre.org	https://mantisbt.org/blog/archives/mantisbt/699	Release Notes, Vendor Advisory
cve@mitre.org	https://mantisbt.org/bugs/view.php?id=28552	Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://mantisbt.org/blog/archives/mantisbt/699	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://mantisbt.org/bugs/view.php?id=28552	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	mantisbt	mantisbt	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C3D5FBFB-2BD0-4AA2-BA0E-33F43D61ACA6",
              "versionEndExcluding": "2.25.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XSS issue was discovered in manage_custom_field_edit_page.php in MantisBT before 2.25.2. Unescaped output of the return parameter allows an attacker to inject code into a hidden input field."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema de tipo XSS en el archivo manage_custom_field_edit_page.php en MantisBT versiones anteriores  a 2.25.2. La salida sin escape del par\u00e1metro return permite a un atacante inyectar c\u00f3digo en un campo hidden input"
    }
  ],
  "id": "CVE-2021-33557",
  "lastModified": "2026-06-17T03:54:47.503",
  "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": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-17T19:15:07.967",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://mantisbt.org/blog/archives/mantisbt/699"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://mantisbt.org/bugs/view.php?id=28552"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://mantisbt.org/blog/archives/mantisbt/699"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://mantisbt.org/bugs/view.php?id=28552"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-33557 (GCVE-0-2021-33557)

Vulnerability from cvelistv5 – Published: 2021-06-17 18:14 – Updated: 2024-08-03 23:50

Summary

An XSS issue was discovered in manage_custom_field_edit_page.php in MantisBT before 2.25.2. Unescaped output of the return parameter allows an attacker to inject code into a hidden input field.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2246 records in the last 180 days details

References

2 references

URL	Tags
https://mantisbt.org/bugs/view.php?id=28552	x_refsource_MISC
https://mantisbt.org/blog/archives/mantisbt/699	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
            ],
            "url": "https://mantisbt.org/bugs/view.php?id=28552"
          },
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            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://mantisbt.org/blog/archives/mantisbt/699"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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      },
      "references": [
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          ],
          "url": "https://mantisbt.org/blog/archives/mantisbt/699"
        }
      ],
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          "ID": "CVE-2021-33557",
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                            "version_value": "n/a"
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    "dateReserved": "2021-05-24T00:00:00.000Z",
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}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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