TheGem <= 5.10.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Theme Options Update
Priority LOW 20CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The TheGem theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ajaxApi() function in all versions up to, and including, 5.10.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary theme options.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00425 37th 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
- 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 |
|---|---|---|---|---|---|
| CodexThemes | TheGem | up to 5.10.3 | — | No fix listed | CNA |
- TheGem VendorCodexThemes Affected up to 5.10.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4339
- 2026-10-03 Alias added: GHSA-2qj3-8hcm-v7fh
References
More CodexThemes vulnerabilities
- TI-2026-47280 WordPress TheGem (Elementor) theme <= 5.12.3 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
- TI-2025-03846 TheGem <= 5.10.3 - Authenticated (Subscriber+) Arbitrary File Upload CVSS 3.1HIGH 8.8
- TI-2025-38368 WordPress TheGem Theme Elements (for WPBakery) plugin <= 5.10.5.1 - Local File Inclusion vulnerability CVSS 3.1HIGH 8.1
- TI-2026-41626 WordPress TheGem Theme Elements (for Elementor) plugin < 5.12.1.1 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
- TI-2025-42799 WordPress TheGem Theme Elements (for Elementor) plugin <= 5.11.0 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
- TI-2025-42081 WordPress TheGem Theme Elements (for Elementor) plugin <= 5.10.5.1 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2025-4339 · CVE Program
- CVE-2025-4339 · NVD
- FIRST EPSS
- GHSA-2qj3-8hcm-v7fh · GitHub Advisory Database · CC BY 4.0
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