CVE-2022-36573 Pagekit CMS cross-site scripting in Markdown text box where articles are edited

What is CVE-2022-36573?

CVE-2022-36573 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Aug 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (XSS) vulnerability in Pagekit CMS v1.0.18 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Markdown text box under /blog/post/edit.

Weakness: CWE-79

Which versions are affected by CVE-2022-36573?

2 open source packages ship an affected version, including pagekit/pagekit. It affects 1 product.

Products include Pagekit Pagekit.

How do I fix CVE-2022-36573?

No fix has been published for CVE-2022-36573 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-2022-36573 being exploited?

There is no known exploitation of CVE-2022-36573 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2025-67164 Pagekit CMS is vulnerable to OS Command Injection via Storage component Critical 9.9
• CVE-2025-67165 Pagekit CMS has an Insecure Direct Object Reference (IDOR) in its User Role component Critical 9.8
• CVE-2022-38916 Pagekit vulnerable to Unrestricted Upload of File with Dangerous Type Critical 9.8
• CVE-2021-44135 SQL injection in pagekit/pagekit Critical 9.8
• CVE-2019-19013 Pagekit File Upload vulnerability High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q6h8-qjjc-j8cg.