Quick answers
- Is CVE-2026-39603 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39603 being exploited in the wild.
- How severe is CVE-2026-39603?
- Medium severity, with a CVSS score of 5.4, published 8 April 2026.
- Which products and versions are affected?
- ThemeGoods Grand Photography <= 5.7.8.
- Is there a fix for CVE-2026-39603?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-39603 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-39603?
- Check whether you run ThemeGoods Grand Photography at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A Cross-Site Request Forgery (CSRF) vulnerability exists in the ThemeGoods Grand Photography theme for WordPress through version 5.7.8. The issue stems from a lack of proper nonce validation or equivalent request verification mechanisms within the theme's administrative functions. An unauthenticated remote attacker can exploit this by crafting a malicious request and tricking a logged-in administrator or privileged user into executing it via social engineering (e.g., a malicious link). Successful exploitation allows the attacker to perform actions with the privileges of the victim user, such as modifying theme settings. As of the advisory date, no official patch has been released.
Affected products
- ThemeGoods Grand Photography <= 5.7.8
Timeline
- 2026-01-02: other: Vulnerability reported by Tran Nguyen Bao Khanh
- 2026-02-01: disclosed: Initial disclosure by Patchstack
- 2026-04-08: advisory: CVE published