CVE-2025-8723Cloudflare Image Resizing <= 1.5.6 - Missing Authentication to Unauthenticated Remote Code Execution via rest_pre_dispatch Hook
- 9.8CriticalCVSS base score
- 19.4%Exploitation in 30 daysEPSS · top 2.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The Cloudflare Image Resizing plugin for WordPress is vulnerable to Remote Code Execution due to missing authentication and insufficient sanitization within its hook_rest_pre_dispatch() method in all versions up to, and including, 1.5.6. This makes it possible for unauthenticated attackers to inject arbitrary PHP into the codebase, achieving remote code execution.
Timeline
ID reserved
By Wordfence
- 12 days later
· 12 days later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 19.4% · top 2.6% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
mecanik · Cloudflare Image Resizing – Optimize & Accelerate Your Images
- affected ≤ 1.5.6
References
References4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0f3b3c1a-1d45-4e2f-854a-171fe759257b?source=cve (opens in a new tab)
- https://wordpress.org/plugins/cf-image-resizing/#developers (opens in a new tab)
- https://plugins.trac.wordpress.org/changeset/3337593/ (opens in a new tab)
- https://plugins.trac.wordpress.org/changeset/3341917/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-28804 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-8723)Record last updated .