# CVE-2026-114709: Igor Funa Ad Inserter reflected cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-114709-improper-neutralization-of-input-during-web-page-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-26. Updated: 2026-10-26  
License: CC BY 4.0 with a link back

CVE-2026-114709 · Severity: medium · CVSS 6.5 · Published 2026-10-26

Ad Inserter is a WordPress plugin that manages advertising on websites. A reflected cross-site scripting vulnerability allows attackers to inject malicious scripts into web pages viewed by site administrators, potentially stealing their credentials or hijacking their sessions. An attacker can craft a malicious link that, when clicked by an admin user, executes arbitrary JavaScript in their browser context.

Technologies: [Igor Funa Ad Inserter](https://junglewise.ai/threats/technologies/ad-inserter). Vendors: [Igor Funa](https://junglewise.ai/threats/vendors/igor-funa).

## Quick answers

**Is CVE-2026-114709 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-114709 being exploited in the wild.

**How severe is CVE-2026-114709?** Medium severity, with a CVSS score of 6.5, published 26 October 2026.

**Which products and versions are affected?** Igor Funa Ad Inserter through 2.8.18.

**Is there a fix for CVE-2026-114709?** Yes: fixed in 2.8.19. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-114709 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-114709?** 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 2.8.19

## Technical details

The plugin fails to properly sanitize user input when generating web pages, allowing reflected XSS attacks. The vulnerability requires a privileged user (contributor or developer role) to interact with a crafted malicious link. Successful exploitation allows an attacker to execute arbitrary JavaScript in the victim's browser with their privileges, potentially leading to account compromise or data theft.

## Affected products

- Igor Funa Ad Inserter through 2.8.18

## Timeline

- 2026-10-22: disclosed: Reported to Patchstack
- 2026-10-26: advisory: Published by Patchstack and NVD

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/ad-inserter/vulnerability/wordpress-ad-inserter-plugin-2-8-18-cross-site-scripting-xss-vulnerability-4?_s_id=cve](https://patchstack.com/database/wordpress/plugin/ad-inserter/vulnerability/wordpress-ad-inserter-plugin-2-8-18-cross-site-scripting-xss-vulnerability-4?_s_id=cve)

## Related threats

- [Igor Funa Ad Inserter XSS in content injection](https://junglewise.ai/threats/cve-2026-124262-improper-neutralization-of-script-related-html-tags-in-a-web)
- [Ad Inserter cross-site scripting in plugin](https://junglewise.ai/threats/cve-2026-105077-unauthenticated-cross-site-scripting-xss-in-ad-inserter-2-8-19)
- [Igor Funa Ad Inserter stored cross-site scripting](https://junglewise.ai/threats/cve-2026-118094-improper-neutralization-of-input-during-web-page-generation)
- [Igor Funa Ad Inserter reflected XSS in plugin settings](https://junglewise.ai/threats/cve-2026-114194-improper-neutralization-of-input-during-web-page-generation)
- [Igor Funa Ad Inserter stored cross-site scripting](https://junglewise.ai/threats/cve-2026-107864-improper-neutralization-of-input-during-web-page-generation)