CVE-2026-48952 json
Joomla! Core - [20260706] - XSS in com_installer
published 2026-07-07 4 mo ago modified 2026-10-25 14 d ago also BIT-joomla-2026-48952 , EUVD-2026-42070
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
Lack of escaping leads to an XSS vulnerability in the update list view of com_installer.
Patch / fix
- bitnami joomla 5.4.7, 6.1.2
- joomla joomla! 5.4.7, 6.1.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U |
| CNA | 4.0 | 5.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 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 packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | joomla | >=4.0.0, <5.4.7 >=6.0.0, <6.1.2 |
5.4.7 6.1.2 |
Affected products
- Joomla! Project Joomla! CMS
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
developer.joomla.org
/security-centre/1060-20260706-core-xss-in-com-installer.html
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-48952
web
Sources
- CVE List CVE-2026-48952
- NVD CVE-2026-48952
- OSV BIT-joomla-2026-48952
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.