XSS in B2evolution Cms
CVE-2020-22839
Reflected cross-site scripting vulnerability (XSS) in the evoadm.php file in b2evolution cms version 6.11.6-stable allows remote attackers to inject arbitrary webscript or HTML code via the tab3 parameter.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.045 (91.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
- B2evolution Cms — versions 6.11.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sohambakore.medium.com/b2evolution-cms-reflected-xss-in-tab-type-parameter-in-e… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scriptin… (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/49555 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22839?
- CVE-2020-22839 is a medium-severity vulnerability in B2evolution Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-09.
- How severe is CVE-2020-22839?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-22839 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.