CVE-2021-33966 json
Cross site scripting (XSS) vulnerability in spotweb 1.4.9, allows authenticated attackers to execute arbitrary code via crafted GET request…
published 2022-01-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20637
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Cross site scripting (XSS) vulnerability in spotweb 1.4.9, allows authenticated attackers to execute arbitrary code via crafted GET request to the login page.
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com https://packetstormsecurity.com/files/162731/Spotweb-Develop-1.4.9-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/162731/Spotweb-Develop-1.4.9-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-33966
- NVD CVE-2021-33966
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.