CVE-2026-45343
Stored XSS in LinkAce (<2.5.6) via OAuth display name in admin audit page.
Is CVE-2026-45343 being exploited?
Not confirmed. CVE-2026-45343 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-45343?
CVE-2026-45343 is rated High with a CVSS score of 8.5. 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-2026-45343?
Yes. A fix has been recorded for CVE-2026-45343. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45343 affect?
CVE-2026-45343 affects LinkAce <2.5.6 (self-hosted). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45343?
Upgrade to 2.5.6 or newer
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privilege XSS enables admin-context takeover; payload executes when admin visits /system/audit, risking cookie theft.
Patch when possible
- affected< 2.5.6
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.