XSS in Fluxbb
CVE-2020-35240
FluxBB 1.5.11 is affected by cross-site scripting (XSS in the Blog Content component. This vulnerability can allow an attacker to inject the XSS payload in "Blog Content" and each time any user will visit the blog, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.
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: 0.010 (62.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Fluxbb — versions 1.5.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fluxbb.org/downloads/ (Vendor Advisory)
- github.com/hemantsolo/CVE-Reference/blob/main/CVE-2020-35240.md (Exploit, Third Party Advisory)
- github.com/hemantsolo/CVE-Reference/issues/1 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35240?
- CVE-2020-35240 is a medium-severity vulnerability in Fluxbb, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-12-30.
- How severe is CVE-2020-35240?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2020-35240 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.