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WordPress plugin

bbPress < 2.5.9 — Stored Cross-Site Scripting

fcb76d10-fc60-4b19-9b47-1b98f8400a96Published · Updated

Action summary

Affected: <2.5.9Update to 2.5.9 or newer

All remediation steps
Watch plugin
Severity
High7.2
CVSS
7.2
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

bbPress bbpress

  1. Affected< 2.5.9
  2. Patched in2.5.9

Update to 2.5.9 or newer.

You are affected if you run < 2.5.9. Version 2.5.9 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under bbPress.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.5.9, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch bbPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Marc-Alexandre Montpas.

The bbPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the bbp_mention_filter function in versions up to, and including, 2.5.8 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in bbPress

All 9
More vulnerabilities in bbPress
SeverityVulnerabilityCVEPublished
Medium5.3Unauthenticated Information Exposure
<2.6.19No patch available
CVE-2026-110762
Medium5.3Unauthenticated Information Exposure
≤2.6.14Update to 2.6.15
CVE-2026-62137
Medium5.3Missing Authorization
≤2.6.14Update to 2.6.15
CVE-2026-74010
Medium6.3Cross-Site Request Forgery to Limited Privilege Escalation
≤2.6.11Update to 2.6.12
CVE-2025-1435
Medium4.8 Authenticated (Admin+) Stored Cross-Site Scripting via the forums list table
≤2.6.4Update to 2.6.5
CVE-2020-13487

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.2

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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