WordPress Nifty theme <= 1.4.1 - PHP Object Injection vulnerability
Priority MEDIUM 50CWE-502Published · 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 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
Unauthenticated PHP Object Injection in Nifty <= 1.4.1 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00556 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| boldthemes | Nifty | up to 1.4.1 | — | No fix listed | CNA |
- Nifty Vendorboldthemes Affected up to 1.4.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-27429
- 2026-10-03 Alias added: GHSA-q6mh-x2fx-6p4w
References
More boldthemes vulnerabilities
- TI-2021-06613 Bello < 1.6.0 - Unauthenticated Blind SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2022-04424 Bold Timeline Lite < 1.1.5 - Contributor+ Stored XSS via Shortcode CVSS 3.1MEDIUM 5.4
- TI-2025-37582 WordPress Addison theme < 1.4.8 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-26241 WordPress Medicare Theme <= 2.1.0 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-26237 WordPress Avantage Theme <= 2.4.9 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-70399 PHP object injection in WordPress Avala theme CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-27429 · CVE Program
- CVE-2026-27429 · NVD
- FIRST EPSS
- GHSA-q6mh-x2fx-6p4w · GitHub Advisory Database · CC BY 4.0
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