CVE-2023-29489
XSS can occur on the cpsrvd error page via an invalid webcall ID, aka SEC-669.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 65.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 65.53% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- cpanel/cpanel
- Source
- cve@mitre.org
EPSS 65.5% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.assetnote.io/2023/04/26/xss-million-websites-cpanel/Exploit
- https://forums.cpanel.net/threads/cpanel-tsr-2023-0001-full-disclosure.708949/Vendor Advisory
- https://blog.assetnote.io/2023/04/26/xss-million-websites-cpanel/Exploit
- https://forums.cpanel.net/threads/cpanel-tsr-2023-0001-full-disclosure.708949/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.