Is CVE-2026-90887 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-90887 being exploited in the wild.

How severe is CVE-2026-90887?

High severity, with a CVSS score of 7.1, published 17 September 2026.

Which products and versions are affected?

WP Inventory Manager WP Inventory Manager ≤ 2.5.4.

Is there a fix for CVE-2026-90887?

A patch was published on 2026-09-14: Patched in version 2.5.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-90887 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-90887?

Check whether anything you run is named in the advisory. 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.

CVE-2026-90887: WP Inventory Manager unauthenticated cross-site scripting

CVE-2026-90887 · Severity: high · CVSS 7.1 · Published 2026-09-17

WP Inventory Manager is a WordPress plugin used to organize and manage inventory on websites. An unauthenticated attacker can inject malicious scripts that execute in visitors' browsers, potentially stealing session data, hijacking user accounts, or redirecting users to phishing sites. The vulnerability affects all versions up to 2.5.4 and has been patched in version 2.5.5 or later.

Quick answers

Is CVE-2026-90887 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-90887 being exploited in the wild.
How severe is CVE-2026-90887?: High severity, with a CVSS score of 7.1, published 17 September 2026.
Which products and versions are affected?: WP Inventory Manager WP Inventory Manager ≤ 2.5.4.
Is there a fix for CVE-2026-90887?: A patch was published on 2026-09-14: Patched in version 2.5.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-90887 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-90887?: Check whether anything you run is named in the advisory. 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

The vulnerability is a stored or reflected cross-site scripting (XSS) flaw in WP Inventory Manager that does not require authentication to exploit. The root cause involves insufficient input validation or output encoding in the plugin's frontend-facing components. An attacker can craft a malicious request or link that injects JavaScript code; user interaction (such as clicking a link or visiting a crafted page) triggers execution of the injected script in a victim's browser with their session privileges. This allows theft of sensitive data or session hijacking. The vulnerability is patched in version 2.5.5 and later.

Affected products

WP Inventory Manager WP Inventory Manager ≤ 2.5.4

Timeline

2026-05-19: disclosed: Reported by sorawautsukushiii
2026-09-14: advisory
2026-09-14: patched: Patched in version 2.5.5

References

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