CVE-2012-4263

CVE-2012-4263 is a medium-severity vulnerability in Bit51 Better-wp-security with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Bit51 Better-wp-security
• Published: 2012-08-13
• Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in inc/admin/content.php in the Better WP Security (better_wp_security) plugin before 3.2.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the HTTP_USER_AGENT header.

Frequently asked questions

What is CVE-2012-4263?

Cross-site scripting (XSS) vulnerability in inc/admin/content.php in the Better WP Security (better_wp_security) plugin before 3.2.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the HTTP_USER_AGENT header.

How severe is CVE-2012-4263?

CVE-2012-4263 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-4263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4263?

CVE-2012-4263 primarily affects Bit51 Better-wp-security. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4263 published?

CVE-2012-4263 was published on 2012-08-13 and last updated on 2026-06-16.

References

• http://bit51.com/software/better-wp-security/changelog/
• http://packetstormsecurity.org/files/112617/WordPress-Better-WP-Security-Cross-Site-Scripting.html
• http://plugins.trac.wordpress.org/changeset?old_path=%2Fbetter-wp-security&old=542852&new_path=%2Fbetter-wp-security&new=542852
• http://www.securityfocus.com/bid/53480
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75523

Affected products (77)

• cpe:2.3:a:bit51:better-wp-security:*:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha1:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha10:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha11:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha2:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha3:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha4:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha5:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha6:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha7:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha8:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:-:alpha9:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.1:alpha:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.1:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.2:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.3:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.4:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.5:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.6:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.7:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.8:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.9:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.10:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.11:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.13:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.14:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.15:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:0.16:beta:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.3:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.4:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.5:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.6:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.7:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.8:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:1.9:*:*:*:*:*:*:*
• cpe:2.3:a:bit51:better-wp-security:2.0:*:*:*:*:*:*:*

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