CVE-2012-4271
Multiple cross-site scripting (XSS) vulnerabilities in bad-behavior-wordpress-admin.php in the Bad Behavior plugin before 2.0.47 and 2.2.x before 2.2.5 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO, (2) httpbl_key, (3) httpbl_maxage, (4) httpbl_threat, (5) reverse_proxy_addresses, or (6) reverse_proxy_header parameter.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 2.0% (81th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4215)
- Published
- August 13, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4215 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mark jaquith / bad behavior
- mark jaquith / bad behavior
- mark jaquith / bad behavior
- mark jaquith / bad behavior
- mark jaquith / bad behavior
- mark jaquith / bad behavior
- wordpress / wordpress
References
- http://packetstormsecurity.org/files/112619/WordPress-Bad-Behavior-Cross-Site-Scripting.html
- http://plugins.trac.wordpress.org/changeset?old_path=%2Fbad-behavior&old=543807&new_path=%2Fbad-behavior&new=543807(Exploit, Patch)
- http://www.securityfocus.com/bid/53477
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75521
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain