PHP object injection in WordPress Kalles theme
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
The4 Kalles theme for WordPress through 1.1.7.1 deserializes untrusted data (CWE-502), which allows PHP object injection. An unauthenticated remote attacker can exploit this flaw without logging in. The CVSS vector rates the impact to confidentiality, integrity and availability as high.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Unauthenticated PHP Object Injection in Kalles <= 1.1.7.1 versions.
Why it matters now
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
Remediation
The sources list no fixed version for Kalles.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-62076
- 2026-10-11 Alias added: GHSA-cwfm-c9v7-xhqp
References
More The4 vulnerabilities
- TI-2026-51508 WordPress Kalles Addons plugin <= 1.0.6 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-56414 WordPress Kalles Addons plugin <= 1.0.6 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
- TI-2025-37436 WordPress Molla - Multipurpose Responsive Shopify theme <= 1.5.13 - Arbitrary Code Execution vulnerability CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-62076 · CVE Program
- CVE-2026-62076 · NVD
- FIRST EPSS
- GHSA-cwfm-c9v7-xhqp · 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