PT-2021-10798 · Unknown · B2Evolution

Nakul Ratti + 1 · Published 2021-02-09 · Updated 2021-02-12 · CVE-2020-22839

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 b2evolution cms version 6.11.6-stable

Description A reflected cross-site scripting issue exists, allowing remote attackers to inject arbitrary web script or HTML code. This is achieved via the tab3 parameter in the evoadm.php file.

Recommendations For version 6.11.6-stable, consider restricting access to the evoadm.php file or disabling the tab3 parameter to minimize the risk of exploitation until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-22839

Affected Products

B2Evolution

References · 5

• 🔥 https://exploit-db.com/exploits/49555 · Exploit
• 🔥 https://sohambakore.medium.com/b2evolution-cms-reflected-xss-in-tab-type-parameter-in-evoadm-php-38886216cdd3 · Exploit
• 🔥 http://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html · Exploit
• https://osv.dev/vulnerability/CVE-2020-22839 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-22839 · Security Note