WordPress security changelog
MEDIUM CVE-2023-2082 Modified

"Buy Me a Coffee – Button and Widget Plugin": Cross-site scripting

"Buy Me a Coffee – Button and Widget Plugin" is affected by cross-site scripting. Exploitation requires an authenticated WordPress account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.4 CVSS 3.1 · security@wordfence.com
NVD score 5.4 CVSS 3.1 · nvd@nist.gov
Component
"Buy Me a Coffee – Button and Widget Plugin"
Plugin slug
buymeacoffee
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 14, 2023
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Jul 14, 2023 and is one of 4 known issues for this plugin.

What to do

Update, patch or deactivate.

Update "Buy Me a Coffee – Button and Widget Plugin" to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The "Buy Me a Coffee – Button and Widget Plugin" plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 3.6 due to insufficient sanitization and escaping on the 'text value set via the bmc_post_reception action. This makes it possible for authenticated attackers, with subscriber-level permissions, and above to inject arbitrary web scripts into pages that execute whenever a victim accesses a page with the injected scripts.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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

References

Primary and upstream sources