XSS in B2evolution
CVE-2020-22841
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/b2evolution/b2evolution/issues/102 (Third Party Advisory)
- packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scriptin… (Exploit, VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/49551 (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22841?
- CVE-2020-22841 is a medium-severity vulnerability in B2evolution, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-02-09.
- How severe is CVE-2020-22841?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2020-22841 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.