---
id: "CVE-2026-121773"
page: "https://infrastack.ai/live/CVE-2026-121773"
kind: "vulnerability"
aliases: ["CVE-2026-121773"]
title: "GenerateBlocks WordPress plugin: stored XSS through version 2.5.0"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "GenerateBlocks", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["generateblocks", "package", "self-hosted", "wordpress"]
not_affected_if: ["plugin-not-installed", "trusted-editors-only"]
published_at: "2026-11-11T12:19:35+00:00"
first_seen_at: "2026-11-11T12:27:10+00:00"
updated_at: "2026-11-11T12:28:37+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121773", "first_seen_at": "2026-11-11T12:27:10+00:00"}]
exploit_sources: []
---

# GenerateBlocks WordPress plugin: stored XSS through version 2.5.0

Link for people: https://infrastack.ai/live/CVE-2026-121773 (this .md is for agents)

GenerateBlocks, a WordPress block plugin by GeneratePress, fails to neutralize input when generating pages, so stored cross-site scripting is possible. An attacker who can store content on the site can run scripts in other visitors' browsers.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:GenerateBlocks affected range not listed fixed no fixed version listed

## How to check

- Check the installed GenerateBlocks plugin version in the WordPress admin under Plugins, or with `wp plugin get generateblocks --field=version`
- Compare against the affected range: all versions through `2.5.0`

## Fix

- GenerateBlocks: a fixed version is not stated in the sources; unknown

## Timeline

- 2026-11-11T12:27:10+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121773

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GeneratePress GenerateBlocks generateblocks allows Stored XSS.This issue affects GenerateBlocks: from n/a through 2.5.0.

---

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