Quick answers
- Is CVE-2026-105077 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-105077 being exploited in the wild.
- How severe is CVE-2026-105077?
- High severity, with a CVSS score of 7.1, published 30 October 2026.
- Which products and versions are affected?
- Igor Funa Ad Inserter ≤ 2.8.19.
- Is there a fix for CVE-2026-105077?
- Yes: fixed in 2.8.20. Until then: Patchstack has issued a mitigation rule to block attacks against this vulnerability until you can update to the patched version. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-105077 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-105077?
- Check whether you run Igor Funa Ad Inserter 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: 2.8.20
Patchstack has issued a mitigation rule to block attacks against this vulnerability until you can update to the patched version.
Technical details
An unauthenticated cross-site scripting (XSS) vulnerability in Ad Inserter allows attackers to inject malicious scripts that execute in the context of a WordPress site. While user interaction is required (a privileged user must click a malicious link or visit a crafted page), the flaw can be exploited via network attack vectors. The vulnerability is fixed in version 2.8.20.
Affected products
- Igor Funa Ad Inserter ≤ 2.8.19
Timeline
- 2026-10-30: disclosed
- 2026-10-30: advisory: Patchstack advisory published