CVE-2021-25058

Name: CVE-2021-25058
Creator: NVD / NIST
Published: 2022-02-21T11:15:08.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2021-25058 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Buffer Button WordPress plugin through 1.0 was vulnerable to Authenticated Stored Cross Site Scripting (XSS) within the Twitter username to mention text field.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

The Buffer Button WordPress plugin through 1.0 was vulnerable to Authenticated Stored Cross Site Scripting (XSS) within the Twitter username to mention text field.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.59%

43.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
The Buffer Button Project	The Buffer Button	<= 1.0

References

https://wpscan.com/vulnerability/fd5271ef-1da5-4d09-888e-f1fd71820cdeExploit, Third Party Advisory
https://wpscan.com/vulnerability/fd5271ef-1da5-4d09-888e-f1fd71820cdeExploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-25058?

The Buffer Button WordPress plugin through 1.0 was vulnerable to Authenticated Stored Cross Site Scripting (XSS) within the Twitter username to mention text field.

How severe is CVE-2021-25058?

CVE-2021-25058 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25058?

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-2021-25058?

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

Scan your code now

Source: NVD / NIST