PT-2022-11604 · WordPress · Wp-Ban

Jsgm · Published 2022-12-18 · Updated 2022-12-22 · CVE-2021-4252

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WP-Ban (affected versions not specified)

Description A problematic issue has been found in WP-Ban, affecting the toggle checkbox function of the file ban-options.php. The manipulation of the argument $ SERVER["HTTP USER AGENT"] leads to cross-site scripting. The attack may be initiated remotely.

Recommendations To fix this issue, it is recommended to apply a patch. The name of the patch is 13e0b1e922f3aaa3f8fcb1dd6d50200dd693fd76. As a temporary workaround, consider disabling the toggle checkbox function until a patch is available. Restrict access to the ban-options.php file to minimize the risk of exploitation. Avoid using the $ SERVER["HTTP USER AGENT"] argument in the affected function until the issue is resolved.

Fix

Improper Neutralization

Weakness Enumeration

CWE-707

Related Identifiers

CVE-2021-4252

Affected Products

Wp-Ban

References · 7

• https://github.com/lesterchan/wp-ban/pull/11 · Patch
• https://github.com/lesterchan/wp-ban/commit/13e0b1e922f3aaa3f8fcb1dd6d50200dd693fd76 · Patch
• https://osv.dev/vulnerability/CVE-2021-4252 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4252 · Security Note
• https://t.me/cibsecurity/54835 · Telegram Post
• https://t.me/cvenotify/40129 · Telegram Post
• https://vuldb.com/?id.216209 · Note