CVE-2026-57770
Object injection via deserialization in Grand Photography WordPress theme allows site takeover.
Is CVE-2026-57770 being exploited?
Not confirmed. CVE-2026-57770 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-2026-57770?
CVE-2026-57770 is rated Critical with a CVSS score of 9.8. 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-2026-57770?
Yes. A fix has been recorded for CVE-2026-57770. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-57770 affect?
CVE-2026-57770 affects ThemeGoods Grand Photography <= 5.7.8, WordPress sites using Grand Photography theme. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57770?
Upgrade Grand Photography to the latest patched version or disable/remove the theme immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote object injection via unsafe deserialization enabling RCE, data theft, or full site takeover via crafted requests.
Immediate action required
- affected<= 5.7.8
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.