XSS in Twitter Twitter-Server
CVE-2020-35774
server/handler/HistogramQueryHandler.scala in Twitter TwitterServer (aka twitter-server) before 20.12.0, in some configurations, allows XSS via the /histograms endpoint.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.856 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.856 · newest: 0.856 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/twitter/twitter-server/commit/e0aeb87e89a6e6c711214ee2de0dd9f6e5f9cb… (Patch, Third Party Advisory)
- github.com/twitter/twitter-server/compare/twitter-server-20.10.0...twitter-serv… (Patch, Third Party Advisory)
- advisory.checkmarx.net/advisory/CX-2020-4287 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35774?
- CVE-2020-35774 is a medium-severity vulnerability in Twitter Twitter-Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-12-29.
- How severe is CVE-2020-35774?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-35774 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.