Quick answers
- Is CVE-2026-39733 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39733 being exploited in the wild.
- How severe is CVE-2026-39733?
- Medium severity, with a CVSS score of 5.3, published 7 November 2026.
- Which products and versions are affected?
- Properfraction ProfilePress through 4.17.7.
- Is there a fix for CVE-2026-39733?
- Yes: fixed in 4.18.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-39733 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-39733?
- Check whether you run Properfraction ProfilePress 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.
How to fix
- Fixed in: 4.18.0
Technical details
An improper neutralization of script-related HTML tags in the wp-user-avatar component allows unauthenticated attackers to inject arbitrary HTML and JavaScript through a web attack vector. This basic XSS vulnerability enables code injection on affected pages. The issue is fixed in version 4.18.0.
Affected products
- properfraction ProfilePress through 4.17.7
Timeline
- 2026-10-23: disclosed
- 2026-11-07: advisory