CVE-2026-101925bbp style pack <= 6.4.8 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Author Display Name
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The bbp style pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name (via /wp-admin/profile.php) + bbp_reply_content (via bbPress reply form)' parameter in all versions up to, and including, 6.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Successful exploitation requires the attacker to wrap their crafted reply in a <pre> block, which prevents WordPress's wpautop/wptexturize processors from converting straight double quotes in the stored display name into typographic curly-quote entities that would otherwise neutralize the attribute-injection.
- CVSS
- 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
robin-w bbp style pack robin_w:bbp_style_pack (from the name) | through 6.4.8 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/31c9b86b-c971-4a0b-95ef-10bc7781e93f?source=cve
- https://plugins.trac.wordpress.org/browser/bbp-style-pack/tags/6.4.8/includes/functions_quote.php#L249
- https://plugins.trac.wordpress.org/browser/bbp-style-pack/tags/6.4.8/includes/functions_quote.php#L223
- https://plugins.trac.wordpress.org/browser/bbp-style-pack/tags/6.4.8/includes/functions_quote.php#L244
- https://plugins.trac.wordpress.org/browser/bbp-style-pack/tags/6.4.8/includes/functions_quote.php#L83
- https://plugins.trac.wordpress.org/browser/bbp-style-pack/tags/6.4.8/includes/functions_quote.php#L275
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3719484%40bbp-style-pack&new=3719484%40bbp-style-pack
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.