Vulnerability-Lookup

CVE-2026-11799 (GCVE-0-2026-11799)

Vulnerability from cvelistv5 – Published: 2026-06-09 20:52 – Updated: 2026-06-10 15:47

Title

UXSS in Focus for iOS / Klar Webkit navigation

Summary

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-10 15:46 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

mozilla mitre root

References

2 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1975667
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version	CPE status
Mozilla	Focus for iOS	Unaffected: 151.3.1 , ≤ * (rpm)	guessed
Mozilla	Klar for iOS	Unaffected: 151.3.1 , ≤ * (rpm)	guessed

Credits

Renwa Hiwa

Show details on NVD website

JSON

To clipboard

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}

CNVD-2026-26105

Vulnerability from cnvd - Published: 2026-07-02

Title

Mozilla Focus for iOS和Mozilla Klar for iOS跨站脚本漏洞

Description

Mozilla Focus for iOS和Mozilla Klar for iOS都是美国Mozilla基金会的一款注重隐私保护的移动网页浏览器。 Mozilla Focus for iOS和Mozilla Klar for iOS存在跨站脚本漏洞，该漏洞是由于在Webkit导航过程中对用户提供的输入验证不当造成的，攻击者可利用该漏洞洞窃取受害者基于cookie的身份验证凭据。

Severity

高

Patch Name

Mozilla Focus for iOS和Mozilla Klar for iOS跨站脚本漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://bugzilla.mozilla.org/show_bug.cgi?id=1975667

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1975667

Impacted products

Name
['Mozilla Focus for iOS <151.3.1', 'mozilla Klar for iOS <151.3.1']

Show details on source website

JSON

To clipboard

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FKIE_CVE-2026-11799

Vulnerability from fkie_nvd - Published: 2026-06-09 21:17 - Updated: 2026-07-23 09:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

References

	URL	Tags
	security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=1975667	Permissions Required
	security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-55/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	mozilla	focus	*
	mozilla	klar	*

JSON

To clipboard

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          "vendor": "Mozilla",
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        },
        {
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  ],
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          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-11799",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T15:46:23.194997Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T21:17:03.410",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1975667"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-55/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-2J9G-WHC6-7J55

Vulnerability from github – Published: 2026-06-09 21:32 – Updated: 2026-06-10 18:31

Details

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

Severity

7.5 (High)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-11799"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-09T21:17:03Z",
    "severity": "HIGH"
  },
  "details": "UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.",
  "id": "GHSA-2j9g-whc6-7j55",
  "modified": "2026-06-10T18:31:45Z",
  "published": "2026-06-09T21:32:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11799"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1975667"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-55"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.
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.

Action not permitted

CVE-2026-11799 (GCVE-0-2026-11799)

CNVD-2026-26105

FKIE_CVE-2026-11799

GHSA-2J9G-WHC6-7J55

Tags

Sightings

Nomenclature

Related by attack behaviour