Is CVE-2026-100178 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-100178 being exploited in the wild.

How severe is CVE-2026-100178?

High severity, with a CVSS score of 7.2, published 10 October 2026.

Which products and versions are affected?

WPAdverts Classifieds Plugin up to and including 2.3.4.

Is there a fix for CVE-2026-100178?

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-2026-100178 attacked?

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

Am I affected by CVE-2026-100178?

Check whether you run WPAdverts Classifieds Plugin 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.

CVE-2026-100178: WPAdverts Classifieds Plugin stored XSS in adverts_location

CVE-2026-100178 · Severity: high · CVSS 7.2 · Published 2026-10-10

WPAdverts is a WordPress plugin that enables classifieds and listings on a website. The plugin fails to properly sanitize the 'adverts_location' parameter, allowing unauthenticated attackers to inject malicious scripts that execute when other users view affected pages, potentially stealing credentials or taking over accounts.

Vendors: WPAdverts.

Quick answers

Is CVE-2026-100178 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-100178 being exploited in the wild.
How severe is CVE-2026-100178?: High severity, with a CVSS score of 7.2, published 10 October 2026.
Which products and versions are affected?: WPAdverts Classifieds Plugin up to and including 2.3.4.
Is there a fix for CVE-2026-100178?: 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-2026-100178 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-100178?: Check whether you run WPAdverts Classifieds Plugin 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

The plugin contains a stored cross-site scripting vulnerability due to insufficient input sanitization and output escaping of the 'adverts_location' parameter. An unauthenticated attacker can inject arbitrary JavaScript that persists in the database and executes in the context of users' browsers when they access pages containing the injected content.

Affected products

WPAdverts Classifieds Plugin up to and including 2.3.4

Timeline

2026-10-10: disclosed

References

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