CVE-2023-4347 in the critical feed json
Cross-site Scripting (XSS) - Reflected in librenms/librenms
published 2023-08-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-m6pf-cm3f-7876 , EUVD-2023-2325
- cvss
- 7.6
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 69.7%
- EPSS 69.7% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Reflected in GitHub repository librenms/librenms prior to 23.8.0.
Patch / fix
- packagist librenms/librenms 23.8.0
- librenms librenms/librenms 23.8.0
- librenms librenms 23.8.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
69.71% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/1f78c6e1-2923-46c5-9376-4cc5a8f1152f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.6 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/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 | 3.0 | 7.6 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | librenms/librenms | <23.8.0 |
23.8.0 |
Affected products
- librenms librenms/librenms
- librenms librenms
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/librenms/librenms/commit/91c57a1ee54631e071b6b0c952d99c8ee892e824
web, patch
-
huntr.dev
/bounties/1f78c6e1-2923-46c5-9376-4cc5a8f1152f
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-4347
advisory
-
github.com
/librenms/librenms
package
Sources
- CVE List CVE-2023-4347
- GitHub Advisory GHSA-m6pf-cm3f-7876
- NVD CVE-2023-4347
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.