Vulnerability-Lookup

CVE-2026-22610 (GCVE-0-2026-22610)

Vulnerability from cvelistv5 – Published: 2026-01-10 03:35 – Updated: 2026-01-13 04:55

Title

Angular has XSS Vulnerability via Unsanitized SVG Script Attributes

Summary

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.18, 20.3.16, 21.0.7, and 21.1.0-rc.0, a cross-site scripting (XSS) vulnerability has been identified in the Angular Template Compiler. The vulnerability exists because Angular’s internal sanitization schema fails to recognize the href and xlink:href attributes of SVG <script> elements as a Resource URL context. This issue has been patched in versions 19.2.18, 20.3.16, 21.0.7, and 21.1.0-rc.0.

Severity ?

8.5 (High)


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

CWE

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

Assigner

GitHub_M

References

URL

Tags

	https://github.com/angular/angular/security/advis…	x_refsource_CONFIRM
	https://github.com/angular/angular/pull/66318	x_refsource_MISC
	https://github.com/angular/angular/commit/91dc91b…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	angular	angular	Affected: >= 21.1.0-next.0, < 21.1.0-rc.0 Affected: >= 21.0.0-next.0, < 21.0.7 Affected: >= 20.0.0-next.0, < 20.3.16 Affected: < 19.2.18

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-22610

Vulnerability from fkie_nvd - Published: 2026-01-10 04:16 - Updated: 2026-02-23 18:23

Severity ?

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

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/angular/angular/commit/91dc91bae4a1bbefc58bef6ef739d0e02ab44d56	Patch
security-advisories@github.com	https://github.com/angular/angular/pull/66318	Issue Tracking
security-advisories@github.com	https://github.com/angular/angular/security/advisories/GHSA-jrmj-c5cx-3cw6	Vendor Advisory, Mitigation

Impacted products

Vendor	Product	Version
angular	angular	*
angular	angular	*
angular	angular	*
angular	angular	*
angular	angular	21.1.0
angular	angular	21.1.0
angular	angular	21.1.0
angular	angular	21.1.0
angular	angular	21.1.0

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To clipboard

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          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-10T04:16:01.517",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/angular/angular/commit/91dc91bae4a1bbefc58bef6ef739d0e02ab44d56"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/angular/angular/pull/66318"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory",
        "Mitigation"
      ],
      "url": "https://github.com/angular/angular/security/advisories/GHSA-jrmj-c5cx-3cw6"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

GHSA-JRMJ-C5CX-3CW6

Vulnerability from github – Published: 2026-01-09 18:52 – Updated: 2026-01-11 14:55

Summary

Angular has XSS Vulnerability via Unsanitized SVG Script Attributes

Details

A Cross-Site Scripting (XSS) vulnerability has been identified in the Angular Template Compiler. The vulnerability exists because Angular’s internal sanitization schema fails to recognize the href and xlink:href attributes of SVG <script> elements as a Resource URL context.

In a standard security model, attributes that can load and execute code (like a script's source) should be strictly validated. However, because the compiler does not classify these specific SVG attributes correctly, it allows attackers to bypass Angular's built-in security protections.

When template binding is used to assign user-controlled data to these attributes for example, <script [attr.href]="userInput"> the compiler treats the value as a standard string or a non-sensitive URL rather than a resource link. This enables an attacker to provide a malicious payload, such as a data:text/javascript URI or a link to an external malicious script.

Impact

When successfully exploited, this vulnerability allows for arbitrary JavaScript execution within the context of the victim's browser session. This can lead to: - Session Hijacking: Stealing session cookies, localStorage data, or authentication tokens. - Data Exfiltration: Accessing and transmitting sensitive information displayed within the application. - Unauthorized Actions: Performing state-changing actions (like clicking buttons or submitting forms) on behalf of the authenticated user.

Attack Preconditions

The victim application must explicitly use SVG <script> elements within its templates.
The application must use property or attribute binding (interpolation) for the href or xlink:href attributes of those SVG scripts.
The data bound to these attributes must be derived from an untrusted source (e.g., URL parameters, user-submitted database entries, or unsanitized API responses).

Patches

19.2.18
20.3.16
21.0.7
21.1.0-rc.0

Workarounds

Until the patch is applied, developers should:

Avoid Dynamic Bindings: Do not use Angular template binding (e.g., [attr.href]) for SVG <script> elements.
Input Validation: If dynamic values must be used, strictly validate the input against a strict allowlist of trusted URLs on the server side or before it reaches the template.

Resources

https://github.com/angular/angular/pull/66318

Severity ?

8.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/compiler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "21.1.0-next.0"
            },
            {
              "fixed": "21.1.0-rc.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "21.1.0-next.0"
            },
            {
              "fixed": "21.1.0-rc.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/compiler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "21.0.0-next.0"
            },
            {
              "fixed": "21.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "21.0.0-next.0"
            },
            {
              "fixed": "21.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/compiler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "20.0.0-next.0"
            },
            {
              "fixed": "20.3.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "20.0.0-next.0"
            },
            {
              "fixed": "20.3.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/compiler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.0.0-next.0"
            },
            {
              "fixed": "19.2.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.0.0-next.0"
            },
            {
              "fixed": "19.2.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/compiler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "18.2.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@angular/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "18.2.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-22610"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-09T18:52:14Z",
    "nvd_published_at": "2026-01-10T04:16:01Z",
    "severity": "HIGH"
  },
  "details": "A Cross-Site Scripting (XSS) vulnerability has been identified in the Angular Template Compiler. The vulnerability exists because Angular\u2019s internal sanitization schema fails to recognize the `href` and `xlink:href` attributes of SVG `\u003cscript\u003e` elements as a **Resource URL** context.\n\nIn a standard security model, attributes that can load and execute code (like a script\u0027s source) should be strictly validated. However, because the compiler does not classify these specific SVG attributes correctly, it allows attackers to bypass Angular\u0027s built-in security protections.\n\nWhen template binding is used to assign user-controlled data to these attributes for example, `\u003cscript [attr.href]=\"userInput\"\u003e` the compiler treats the value as a standard string or a non-sensitive URL rather than a resource link. This enables an attacker to provide a malicious payload, such as a `data:text/javascript` URI or a link to an external malicious script.\n\n### Impact\nWhen successfully exploited, this vulnerability allows for **arbitrary JavaScript execution** within the context of the victim\u0027s browser session. This can lead to:\n- **Session Hijacking:** Stealing session cookies, localStorage data, or authentication tokens.\n- **Data Exfiltration:** Accessing and transmitting sensitive information displayed within the application.\n- **Unauthorized Actions:** Performing state-changing actions (like clicking buttons or submitting forms) on behalf of the authenticated user.\n\n### Attack Preconditions\n\n1. The victim application must explicitly use SVG `\u003cscript\u003e` elements within its templates.\n2. The application must use property or attribute binding (interpolation) for the `href` or `xlink:href` attributes of those SVG scripts.\n3. The data bound to these attributes must be derived from an untrusted source (e.g., URL parameters, user-submitted database entries, or unsanitized API responses).\n\n### Patches\n- 19.2.18\n- 20.3.16\n- 21.0.7\n- 21.1.0-rc.0\n\n### Workarounds\nUntil the patch is applied, developers should:\n\n- **Avoid Dynamic Bindings**: Do not use Angular template binding (e.g., `[attr.href]`) for SVG `\u003cscript\u003e` elements.\n- **Input Validation**: If dynamic values must be used, strictly validate the input against a strict allowlist of trusted URLs on the server side or before it reaches the template.\n\n### Resources\n\n- https://github.com/angular/angular/pull/66318",
  "id": "GHSA-jrmj-c5cx-3cw6",
  "modified": "2026-01-11T14:55:54Z",
  "published": "2026-01-09T18:52:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/angular/angular/security/advisories/GHSA-jrmj-c5cx-3cw6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22610"
    },
    {
      "type": "WEB",
      "url": "https://github.com/angular/angular/pull/66318"
    },
    {
      "type": "WEB",
      "url": "https://github.com/angular/angular/commit/91dc91bae4a1bbefc58bef6ef739d0e02ab44d56"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/angular/angular"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Angular has XSS Vulnerability via Unsanitized SVG Script Attributes"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2026-22610 (GCVE-0-2026-22610)

FKIE_CVE-2026-22610

GHSA-JRMJ-C5CX-3CW6

Impact

Attack Preconditions

Patches

Workarounds

Resources

Tags

Sightings

Nomenclature