---
title: "CVE-2026-81655: Ad Inserter WordPress Plugin - Stored XSS & Remote Code Execution"
description: "Ad Inserter WordPress plugin < 2.8.19 contains a stored XSS and remote code execution caused by insufficient access control and lack of content filtering on a settings page, letting logged-in users with subscriber role execute PHP or serve unescaped code, exploit requires specific plugin configuration allowing access."
url: https://panop.io/threat-heartbeat/CVE-2026-81655/
---

# CVE-2026-81655 Ad Inserter WordPress Plugin - Stored XSS & Remote Code Execution

Ad Inserter WordPress plugin < 2.8.19 contains a stored XSS and remote code execution caused by insufficient access control and lack of content filtering on a settings page, letting logged-in users with subscriber role execute PHP or serve unescaped code, exploit requires specific plugin configuration allowing access.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.23% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81655)

## Details

Type

Stored XSS

Impact

Remote Code Execution, Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Upgrade to version 2.8.19 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-81655](https://nvd.nist.gov/vuln/detail/CVE-2026-81655)
- [https://wpscan.com/vulnerability/b189ce9a-a930-41e6-bdd1-fdcc3bfb66be/](https://wpscan.com/vulnerability/b189ce9a-a930-41e6-bdd1-fdcc3bfb66be/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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