CVE-2023-0289 json
Cross-site Scripting (XSS) - Stored in craigk5n/webcalendar
published 2023-01-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12367
- cvss
- 7.6
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/b9584c87-60e8-4a03-9e79-5f1e2d595361 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: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 |
Affected products
- craigk5n craigk5n/webcalendar
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/craigk5n/webcalendar/commit/7906b4924c2dc3727c3540682f432ebbb93f810d
patch, third-party-advisory
-
huntr.dev
/bounties/b9584c87-60e8-4a03-9e79-5f1e2d595361
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2023-0289
- NVD CVE-2023-0289
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.