Smush < 3.9.9 - Admin+ Reflected Cross-Site Scripting
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The Smush WordPress plugin before 3.9.9 does not sanitise and escape a configuration parameter before outputting it back in an admin page when uploading a malicious preset configuration, leading to a Reflected Cross-Site Scripting. For the attack to be successful, an attacker would need an admin to upload a malicious configuration file
Why it matters now
EPSS 0.008 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Smush – Lazy Load Images, Optimize & Compress Images (Unknown): 3.9.9
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Smush – Lazy Load Images, Optimize & Compress Images | 3.9.9 to before 3.9.9 | 3.9.9 | Patch available | CNA |
- Smush – Lazy Load Images, Optimize & Compress Images VendorUnknown Affected 3.9.9 to before 3.9.9 Fixed in 3.9.9 Patch available CNA
Remediation
- Fix · CNA Smush – Lazy Load Images, Optimize & Compress Images (Unknown) Fixed in 3.9.9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1009
- 2026-10-03 Alias added: GHSA-j96r-f3m8-gwxp
References
More wpmudev Smush Image Compression And Optimization vulnerabilities
- TI-2017-11056 The Smush Image Compression and Optimization plugin before 2.7.6 for WordPress allows directory traversal. CVSS 3.0HIGH 7.5
Sources
- CVE-2022-1009 · CVE Program
- CVE-2022-1009 · NVD
- FIRST EPSS
- GHSA-j96r-f3m8-gwxp · GitHub Advisory Database · CC BY 4.0
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