CVE-2021-25099

Name: CVE-2021-25099
Creator: NVD / NIST
Published: 2022-02-21T11:15:08.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 2.15%

Last modified Jun 17, 2026

CVE-2021-25099 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 2.15% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

2.15%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Givewp	Givewp	< 2.17.3

References

https://plugins.trac.wordpress.org/changeset/2659032Release Notes, Third Party Advisory
https://wpscan.com/vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6fExploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2659032Release Notes, Third Party Advisory
https://wpscan.com/vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6fExploit, Third Party Advisory

Timeline

Published: Feb 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25099?

How severe is CVE-2021-25099?

CVE-2021-25099 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25099?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25099?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST