CVE-2023-4879 json
Cross-site Scripting (XSS) - Stored in instantsoft/icms2
published 2023-09-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54718
- cvss
- 3.5
- 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 34%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository instantsoft/icms2 prior to 2.16.1.-git.
Patch / fix
- instantsoft instantsoft/icms2 2.16.1.-git
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/7df6b167-3c39-4563-9b8a-33613e25cf27 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.5 | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:L |
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected products
- instantsoft instantsoft/icms2
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/instantsoft/icms2/commit/d0aeeaf5979fbdbf80dc3a3227d6c58442ab7487
patch
-
huntr.dev
/bounties/7df6b167-3c39-4563-9b8a-33613e25cf27
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2023-4879
- NVD CVE-2023-4879
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.