CVE-2021-25099 Give < 2.17.3 - Unauthenticated Reflected Cross-Site Scripting

What is CVE-2021-25099?

CVE-2021-25099 is a medium-severity cross-site scripting vulnerability in Givewp Givewp, published on 21 Feb 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

The GiveWP WordPress plugin before 2.17.3 does not sanitise and escape the form_id parameter before outputting it back in the response of an unauthenticated request via the give_checkout_login AJAX action, leading to a Reflected Cross-Site Scripting

Weakness: CWE-79

Which versions are affected by CVE-2021-25099?

It affects 1 product.

Products include Givewp Givewp.

How do I fix CVE-2021-25099?

No fix has been published for CVE-2021-25099 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-2021-25099 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25099 exists.

Public exploit code: 1 Nuclei template.

Other vulnerabilities in Givewp Givewp

• CVE-2024-5932 Deserialization in GiveWP – Donation Plugin and Fundraising Platform Critical 10.0
• CVE-2024-37099 WordPress GiveWP plugin <= 3.14.1 - Unauthenticated PHP Object Injection vulnerability Critical 10.0
• CVE-2025-0912 GiveWP – Donation Plugin and Fundraising Platform <= 3.19.4 - Unauthenticated PHP Object Injection Critical 9.8
• CVE-2025-22777 WordPress GiveWP Plugin <= 3.19.3 - PHP Object Injection vulnerability Critical 9.8
• CVE-2024-12877 GiveWP – Donation Plugin and Fundraising Platform <= 3.19.2 - Unauthenticated PHP Object Injection Critical 9.8

All Givewp Givewp vulnerabilities

Sources

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

Also known as GHSA-qvv8-jxqg-p2pc.