CVE-2026-84370
SVGO filtering bug lets crafted SVG links bypass checks and enable XSS/script execution.
Is CVE-2026-84370 being exploited?
Not confirmed. CVE-2026-84370 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-84370?
CVE-2026-84370 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-84370?
Yes. A fix has been recorded for CVE-2026-84370. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-84370 affect?
CVE-2026-84370 affects SVGO < 2.8.4, SVGO < 3.3.5, SVGO < 4.1.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84370?
Upgrade SVGO to 2.8.4, 3.3.5, or 4.1.0+ and sanitize untrusted SVG input.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted SVGs can bypass removeScripts checks, enabling XSS: script execution, data exposure, content modification, or actions as the victim.
Patch when possible
- affected>= 1.0.0 and < 2.8.4
- affected>= 3.0.0 and < 3.3.5
- affected>= 4.0.0 and < 4.1.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.