CVE-2012-4271
Multiple cross-site scripting (XSS) vulnerabilities in bad-behavior-wordpress-admin.php in the...
CVE-2012-4271 is a medium vulnerability (CVSS 4.3) in Mark Jaquith Bad Behavior, published August 13, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-4271- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-4271- Updated
- 2026-11-02
EUVDEUVD-2012-4215 No score
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.
- Record
EUVD-2012-4215- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w5cr-843p-q4hf No score
Multiple cross-site scripting (XSS) vulnerabilities in bad-behavior-wordpress-admin.php in the...
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.
- Record
GHSA-w5cr-843p-q4hf- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |
References
packetstormsecurity.org/files/112619/WordPress-Bad-Behavior-Cross-Site-Scripting.html
securityfocus.com/bid/53477
plugins.trac.wordpress.org/changeset?old_path=%2Fbad-behavior&old=543807&new_path=%2Fbad-behavior&new=543807
exchange.xforce.ibmcloud.com/vulnerabilities/75521
nvd.nist.gov/vuln/detail/CVE-2012-4271
github.com/advisories/GHSA-w5cr-843p-q4hf