CVE-2026-23840
XSS in Movary web app via ?categoryDeleted=; fixed in v0.70.0.
Is CVE-2026-23840 being exploited?
Not confirmed. CVE-2026-23840 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 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-23840?
CVE-2026-23840 is rated Critical with a CVSS score of 9.3. 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-2026-23840?
Yes. A fix has been recorded for CVE-2026-23840. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-23840 affect?
CVE-2026-23840 affects Movary (<0.70.0). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-23840?
Upgrade to 0.70.0+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
XSS can execute in a user's browser, enabling session hijack, cookie theft, or page defacement via crafted URL.
Patch when possible
- affected< 0.70.0
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.