01 Record
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.1% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-02-09 19:39Z5 YR AGO
- Last updated
- 2024-08-04 14:51Z2 YR AGO
- Reserved
- 2020-08-13
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 27120a7d2288ecb233b0fb66dde3f1f3e4061a98c5091bd539d0cdcf836738be
05 Affected products
VendorProductVersionsPlatforms
06 References
- sohambakore.medium.comhttps://sohambakore.medium.com/b2evolution-cms-reflected-xss-in-tab-type-parameter-in-evoadm-php-38886216cdd3
- packetstormsecurity.comhttp://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html
- www.exploit-db.comhttps://www.exploit-db.com/exploits/49555