# CVE-2026-40782: WPAdverts plugin broken access control

Source: https://junglewise.ai/threats/cve-2026-40782-wpadverts-plugin-broken-access-control  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-15. Updated: 2026-06-15  
License: CC BY 4.0 with a link back

CVE-2026-40782 · Severity: medium · CVSS 6.5 · Published 2026-06-15

WPAdverts is a WordPress plugin used to create and manage classified ads on websites. A security flaw in versions 2.3.0 and earlier allows unauthorized individuals to perform actions that should be restricted to administrators or site owners. This could lead to unauthorized changes to advertisements or site settings, potentially disrupting business operations and the integrity of the classifieds platform.

Technologies: [WPAdverts](https://junglewise.ai/threats/technologies/wpadverts). Vendors: [WPAdverts](https://junglewise.ai/threats/vendors/wpadverts).

## Quick answers

**Is CVE-2026-40782 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-40782 being exploited in the wild.

**How severe is CVE-2026-40782?** Medium severity, with a CVSS score of 6.5, published 15 June 2026.

**Which products and versions are affected?** WPAdverts <= 2.3.0.

**Is there a fix for CVE-2026-40782?** 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-2026-40782 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-40782?** Check whether you run WPAdverts 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 broken access control vulnerability exists in the WPAdverts plugin for WordPress due to missing authorization checks (CWE-862). The flaw allows an unauthenticated remote attacker to execute functions or actions that should require higher privileges. Based on the CVSS vector, the impact is limited to partial loss of integrity and availability, without direct data confidentiality risks. The vulnerability is exploitable over the network without user interaction. Users should update to version 2.3.1 or later to remediate the issue.

## Affected products

- WPAdverts WPAdverts <= 2.3.0

## Timeline

- 2026-03-12: other: Reported by TheNetRunner Security Research
- 2026-04-22: advisory: Initial advisory published by Patchstack
- 2026-06-15: disclosed: NVD publication date

## References

- [https://patchstack.com/database/wordpress/plugin/wpadverts/vulnerability/wordpress-wpadverts-plugin-2-3-0-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/wpadverts/vulnerability/wordpress-wpadverts-plugin-2-3-0-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [WPAdverts unauthenticated cross-site scripting](https://junglewise.ai/threats/cve-2026-84819-wpadverts-unauthenticated-cross-site-scripting)