Information disclosure in Image Optimizer
Priority LOW 19CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
The Image Optimizer WordPress plugin before 1.7.7 does not enforce its intended capability check on several of its read REST routes, allowing any authenticated user to read attachment metadata and site-wide statistics that should be restricted to administrators.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Image Optimizer (Unknown): 1.7.7
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Image Optimizer | before 1.7.7 | 1.7.7 | Patch available | CNA |
- Image Optimizer VendorUnknown Affected before 1.7.7 Fixed in 1.7.7 Patch available CNA
Remediation
- Fix · CNA Image Optimizer (Unknown) Fixed in 1.7.7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90953
- 2026-10-03 Alias added: GHSA-w64w-5pvm-xhcq
References
Sources
- CVE-2026-90953 · CVE Program
- CVE-2026-90953 · NVD
- FIRST EPSS
- GHSA-w64w-5pvm-xhcq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences