# CVE-2026-110901: WPMU DEV SmartCrawl insecure direct object reference

Source: https://junglewise.ai/threats/cve-2026-110901-authorization-bypass-through-user-controlled-key-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-16. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-110901 · Severity: medium · CVSS 5.4 · Published 2026-10-16

SmartCrawl is a WordPress plugin that manages SEO and site optimization tasks. A vulnerability allows attackers with contributor-level access to modify URL parameters and view or manipulate other users' private data, such as SEO configurations or sensitive site settings.

Vendors: [WPMU DEV](https://junglewise.ai/threats/vendors/wpmu-dev).

## Quick answers

**Is CVE-2026-110901 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-110901 being exploited in the wild.

**How severe is CVE-2026-110901?** Medium severity, with a CVSS score of 5.4, published 16 October 2026.

**Which products and versions are affected?** WPMU DEV SmartCrawl through 3.16.4.

**Is there a fix for CVE-2026-110901?** Yes: fixed in 3.17.1. Until then: Update to version 3.17.1 or later. If immediate patching is not possible, restrict contributor-level access to only trusted users. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-110901 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-110901?** Check whether you run WPMU DEV SmartCrawl 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 3.17.1

Update to version 3.17.1 or later. If immediate patching is not possible, restrict contributor-level access to only trusted users.

## Technical details

An Insecure Direct Object Reference (IDOR) vulnerability in SmartCrawl allows attackers with contributor privileges to access resources belonging to other users by manipulating object identifiers in requests. The vulnerability stems from insufficient access control checks when handling user-supplied object IDs. Exploitation requires existing WordPress account access at contributor level or higher.

## Affected products

- WPMU DEV SmartCrawl through 3.16.4

## Timeline

- 2026-10-16: disclosed
- 2026-10-16: patched: Fixed in version 3.17.1

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/smartcrawl-seo/vulnerability/wordpress-smartcrawl-plugin-3-16-4-insecure-direct-object-references-idor-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/smartcrawl-seo/vulnerability/wordpress-smartcrawl-plugin-3-16-4-insecure-direct-object-references-idor-vulnerability?_s_id=cve)