XSS in Thingsboard
CVE-2021-42750
A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the title of a rule node.
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: 0.030 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Thingsboard — versions 3.3.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/thingsboard/thingsboard (Product, Third Party Advisory)
- packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-Scripting.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-42750?
- CVE-2021-42750 is a medium-severity vulnerability in Thingsboard, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-08-12.
- How severe is CVE-2021-42750?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-42750 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.