CVE-2023-2021 json
Cross-site Scripting (XSS) - Stored in nilsteampassnet/teampass
published 2023-04-13 3 y ago modified 2026-06-17 4 mo ago also GHSA-4h2q-84w7-4mhx , EUVD-2023-1190
- cvss
- 5.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository nilsteampassnet/teampass prior to 3.0.3.
Patch / fix
- packagist nilsteampassnet/teampass 3.0.3
- nilsteampassnet nilsteampassnet/teampass 3.0.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/2e31082d-7aeb-46ff-84d6-9561758e3bf0 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.8 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 5.8 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | nilsteampassnet/teampass | <3.0.3 |
3.0.3 |
Affected products
- nilsteampassnet nilsteampassnet/teampass
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2023-2021
- GitHub Advisory GHSA-4h2q-84w7-4mhx
- NVD CVE-2023-2021
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.