CVE-2026-84757
Unauthenticated settings change in WP Compress WordPress plugin
Is CVE-2026-84757 being exploited?
Not confirmed. CVE-2026-84757 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 0.22% probability of exploitation in the next 30 days.
How severe is CVE-2026-84757?
CVE-2026-84757 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-2026-84757?
Yes. A fix has been recorded for CVE-2026-84757. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-84757 affect?
CVE-2026-84757 affects WP Compress WordPress plugin <= 7.21.28, WordPress sites using WP Compress. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84757?
Upgrade WP Compress to the fixed version; verify plugin settings and site integrity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can modify WP Compress settings, enabling site misconfiguration, content manipulation, redirects, image processing disruption, or pivoting to further attacks.
Immediate action required
- affected<= 7.21.28
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.