CVE-2021-25058: The Buffer Button WordPress plugin through 1.0 was vulnerable to Authenticated Stored Cross Site Scripting (XS
CVE-2021-25058 is a medium-severity flaw (CVSS 5.4) affecting the buffer button. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-02-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-25058?
the buffer button: upgrade to newer than 1.0. Exact commands for each OS are on this page.
Is CVE-2021-25058 being exploited?
CVE-2021-25058 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-25058 affect?
CVE-2021-25058 affects the buffer button. Severity is medium (CVSS 5.4). 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 urgent is CVE-2021-25058?
Priority 36/100. Public exploit reference