CVE-2023-3020 json
Cross-site Scripting (XSS) - Reflected in mkucej/i-librarian-free
published 2023-05-31 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43712
- cvss
- 9.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Reflected in GitHub repository mkucej/i-librarian-free prior to 5.10.4.
Patch / fix
- mkucej mkucej/i-librarian-free 5.10.4
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/92cbe37c-33fa-43bf-8d5b-69aebf51d32c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- mkucej mkucej/i-librarian-free
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2023-3020
- NVD CVE-2023-3020
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.