PatchTheCVECVE-2025-8889: The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high p
CVE-2025-8889 is a low-severity flaw (CVSS 3.8) affecting compress \& upload. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.8 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2025-09-09 |
| Last modified | 2026-07-10 |
Last updated 2026-07-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-8889?
compress \& upload: upgrade to 1.0.5. Exact commands for each OS are on this page.
Is CVE-2025-8889 being exploited?
CVE-2025-8889 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-8889 affect?
CVE-2025-8889 affects compress \& upload. Severity is low (CVSS 3.8). The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multi
How urgent is CVE-2025-8889?
Priority 24/100. Public exploit reference