Bbpress: Cross-site scripting

Bbpress is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS · cve@mitre.org

NVD score 4.8 CVSS 3.1 · nvd@nist.gov

Component: Bbpress
Plugin slug: bbpress
Affected: See vendor advisory
Safe version: See mitigation notes
Published: May 26, 2020
Weakness: CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published May 26, 2020 and is one of 3 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Bbpress 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 bbPress plugin through 2.6.4 for WordPress has stored XSS in the Forum creation section, resulting in JavaScript execution at wp-admin/edit.php?post_type=forum (aka the Forum listing page) for all users. An administrator can exploit this at the wp-admin/post.php?action=edit URI.

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

References

Update, patch or deactivate.

Technical description

Primary and upstream sources