GHSA-m6mh-2hw2-555xPublished

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

Exact source revision recorded 24 Oct 2026 13:19:54 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · GHSA-m6mh-2hw2-555x

Published

The following SVG will produce a link with a `javascript` scheme. If the user clicks this link, they will run it. ```svg <svg xmlns="http://www.w3.org/2000/svg"> <a> <set attributeName="href" to="javascript:alert('SET_XSS')"></set> <text y="30">Click set</text> </a> </svg> ``` ### 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.

Source published: 29 Sep 2026 23:09:16 UTC
Source modified: 29 Sep 2026 23:25:44 UTC
Observed here: 24 Oct 2026 13:19:54 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Publisher rating · MODERATE