CVE-2026-57743
Local File Inclusion in RT-Theme 18 rt18-extensions allows local file disclosure.
Is CVE-2026-57743 being exploited?
Not confirmed. CVE-2026-57743 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 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-57743?
CVE-2026-57743 is rated High with a CVSS score of 8.1. 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-2026-57743?
Yes. A fix has been recorded for CVE-2026-57743. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-57743 affect?
CVE-2026-57743 affects RT-Theme 18 (rt18-extensions) <=2.5, WordPress sites using RT-Theme 18, PHP web servers hosting the theme. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57743?
Upgrade rt18-extensions to fixed version (>2.5) or remove/disable; apply vendor patch and harden file access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local File Inclusion: attackers can read local files, expose credentials, and possibly achieve code execution via log/wrapper vectors.
Patch when possible
- affected<= 2.5
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.