Description

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.

Classification

CVE ID: CVE-2025-4339

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.3

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected Products

Vendor: CodexThemes

Product: TheGem

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.05% (scored less or equal to compared to others)

EPSS Date: 2025-06-08 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4339
https://www.wordfence.com/threat-intel/vulnerabilities/id/f2358979-25b9-4c52-88dc-25390be6bd22?source=cve
https://themeforest.net/item/thegem-creative-multipurpose-highperformance-wordpress-theme/16061685
https://codex-themes.com/thegem/changelog.html

Timeline