CVE-2020-22841
Published: 09 February 2021
Summary
CVE-2020-22841 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in B2Evolution B2Evolution. Its CVSS base score is 4.8 (Medium).
Operationally, ranked in the top 36.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-15598
Vulnerability details
Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin name input field in the plugin module.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.