CVE-2021-42751 EXPLOIT
4.8
MEDIUM · CVSS 3.1 · EPSS 3.1% (pctl 87)
Patch early
A public exploit exists.
Description
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 description of a rule node.
Scoring
| CVSS | 4.8 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 3.05% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2022-08-12 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| thingsboard | thingsboard |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | ThingsBoard 3.3.1 'description' - Stored Cross-Site Scripting (XSS) | 2022-08-09 |
References
→ the Explorer · watch your stack · NVD