CVE-2025-4339

TheGem <= 5.10.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Theme Options Update

MEDIUM
4.3
CVSS Score
Published: May 13, 2025 at 06:40 AM UTC
Updated: June 17, 2026 at 09:33 AM UTC
1 product affected across 1 vendorTheGem

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

TheGem· Codex Themeswordpress-plugin
60%
v ≤ 5.10.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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