CVE-2022-40487 ProcessWire vulnerable to Cross-site Scripting

What is CVE-2022-40487?

CVE-2022-40487 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Oct 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

ProcessWire v3.0.200 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities via the Search Users and Search Pages function. These vulnerabilities allow attackers to execute arbitrary web scripts or HTML via injection of a crafted payload.

Weakness: CWE-79

Which versions are affected by CVE-2022-40487?

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

Products include Processwire Processwire.

How do I fix CVE-2022-40487?

No fix has been published for CVE-2022-40487 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-2022-40487 being exploited?

There is no known exploitation of CVE-2022-40487 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2020-27467 Path traversal in n/a High 7.5
• CVE-2023-24676 Arbitrary Code Execution in Processwire High 7.2
• CVE-2025-60790 ProcessWire CMS vulnerable to resource-exhaustion Denial of Service Medium 6.5
• CVE-2022-40488 ProcessWire vulnerable to Cross-Site Request Forgery Medium 6.5
• CVE-2024-41597 ProcessWire Cross Site Request Forgery vulnerability Medium 4.2

Sources

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

Also known as GHSA-8g35-prrr-gxxf.