File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary…
Priority HIGH 82CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01982 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45554
- 2026-10-03 Alias added: GHSA-4xxx-xjp2-284m
References
More Zzzcms vulnerabilities
- TI-2023-04839 ZZZCMS Database Backup File save.php restore permission CVSS 3.1HIGH 8.8
- TI-2023-24370 File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.8
- TI-2020-13674 A Cross Site Request Forgery (CSRF) vulnerability exits in ZZZCMS V1.7.1 via the save_user funciton in save.php. CVSS 3.1HIGH 8.8
- TI-2023-05139 ZZZCMS Personal Profile Page cross site scripting CVSS 3.1MEDIUM 5.4
- TI-2020-13675 A Cross Site Scripting (XSS) exists in ZZZCMS V1.7.1 via an editfile action in save.php. CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-45554 · CVE Program
- CVE-2023-45554 · NVD
- FIRST EPSS
- GHSA-4xxx-xjp2-284m · GitHub Advisory Database · CC BY 4.0
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