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Ammonia: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Type: advisorySource: OSV1 source record

The following SVG will produce a link with a `javascript` scheme. If the user clicks this link, they will run it. ```svg Click set ``` ### Impact Allows stored XSS in applications that allow the `animate` and `set` tags. ### Patches Fixed in 3.3.3, 4.0.3, and 4.1.4 ### Workarounds Do not enable the `animate` or `set` tags.

Announced Source revision 1
Original source ↗

GHSA-m6mh-2hw2-555x

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:GHSA-m6mh-2hw2-555x

ammonia

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
3.3.3

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

ammonia

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
4.0.3

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

ammonia

Source reference: /affected/2/package/name

Affected versions
Not stated in this record
Fixed versions
4.1.4

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.3.3"
          }
        ]
      }
    ],
    "package": {
      "name": "ammonia",
      "purl": "pkg:cargo/ammonia",
      "ecosystem": "crates.io"
    },
    "database_specific": {
      "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-m6mh-2hw2-555x/GHSA-m6mh-2hw2-555x.json",
      "last_known_affected_version_range": "< 3.3.2"
    }
  },
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "4.0.0"
          },
          {
            "fixed": "4.0.3"
          }
        ]
      }
    ],
    "package": {
      "name": "ammonia",
      "purl": "pkg:cargo/ammonia",
      "ecosystem": "crates.io"
    },
    "database_specific": {
      "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-m6mh-2hw2-555x/GHSA-m6mh-2hw2-555x.json",
      "last_known_affected_version_range": "<= 4.0.2"
    }
  },
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "4.1.2"
          },
          {
            "fixed": "4.1.4"
          }
        ]
      }
    ],
    "package": {
      "name": "ammonia",
      "purl": "pkg:cargo/ammonia",
      "ecosystem": "crates.io"
    },
    "database_specific": {
      "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-m6mh-2hw2-555x/GHSA-m6mh-2hw2-555x.json",
      "last_known_affected_version_range": "<= 4.1.3"
    }
  }
]
Related CVEs
CVE-2026-102342

Source reference: /aliases

Publisher severity

No explicit severity was provided.

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-102342 · Medium

ammonia

Event
#32232 · Revision 1
Added to Heist Feed
Publisher date
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