Ammonia: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The following SVG will produce a link with a javascript scheme. If the user clicks this link, they will run it.
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.
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table