CVE-2023-29489 json
An issue was discovered in cPanel before 11.109.9999.116.
published 2023-04-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33056
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 65.5%
- EPSS 65.5% chance of exploitation in 30 days, percentile 99.2%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
An issue was discovered in cPanel before 11.109.9999.116. XSS can occur on the cpsrvd error page via an invalid webcall ID, aka SEC-669. The fixed versions are 11.109.9999.116, 11.108.0.13, 11.106.0.18, and 11.102.0.31.
Patch / fix
- cpanel cpanel 11.109.9999.116
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
65.53% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template cPanel < 11.109.9999.116 - Cross-Site Scripting nuclei detection template
- blog.assetnote.io https://blog.assetnote.io/2023/04/26/xss-million-websites-cpanel/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AC:L/AV:L/A:L/C:L/I:L/PR:L/S:U/UI:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| 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
- cpanel cpanel
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2023-29489
- NVD CVE-2023-29489
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.