CVE-2018-11564 Pagekit Stored Cross-site Scripting
Stored XSS in Pagekit allows attackers to execute arbitrary scripts via malicious SVG uploads, potentially leading to session hijacking or site defacement.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-11564?
CVE-2018-11564 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jun 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/poc.svg" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.
Weakness: CWE-79
Which versions are affected by CVE-2018-11564?
2 open source packages ship an affected version, including pagekit/pagekit. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pagekit/pagekit Packagist | All versions | None |
pagekit/pagekit Packagist | All versions | None |
Products include Pagekit Pagekit.
How do I fix CVE-2018-11564?
No fix has been published for CVE-2018-11564 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-11564 being exploited?
There is no known exploitation of CVE-2018-11564 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2025-67164 Pagekit CMS is vulnerable to OS Command Injection via Storage component
- CVE-2025-67165 Pagekit CMS has an Insecure Direct Object Reference (IDOR) in its User Role component
- CVE-2022-38916 Pagekit vulnerable to Unrestricted Upload of File with Dangerous Type
- CVE-2021-44135 SQL injection in pagekit/pagekit
- CVE-2019-19013 Pagekit File Upload vulnerability
Sources
Also known as GHSA-3rwj-v7jp-w542.