PT-2021-22049 · WordPress · Yet Another Bol.Com Plugin

P7E4 · Published 2021-09-10 · Updated 2021-09-15 · CVE-2021-38330

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: Yet Another bol.com Plugin WordPress plugin versions up to and including 1.4

Description: The issue allows attackers to inject arbitrary web scripts due to a reflected $ SERVER["PHP SELF"] value in the ~/yabp.php file. This enables Reflected Cross-Site Scripting attacks.

Recommendations: For versions up to and including 1.4, update to a version that fixes this issue to prevent Reflected Cross-Site Scripting attacks. As a temporary workaround, consider restricting access to the ~/yabp.php file until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-38330

Affected Products

Yet Another Bol.Com Plugin

References · 5

• 🔥 https://plugins.trac.wordpress.org/browser/yabp/tags/1.4/yabp.php#L454 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-38330 · Security Note
• https://osv.dev/vulnerability/CVE-2021-38330 · Vendor Advisory
• https://wordfence.com/vulnerability-advisories/#CVE-2021-38330 · Note
• https://t.me/cibsecurity/28668 · Telegram Post