CVE-2026-48903
MEDIUMCVSS 6.9/10EPSS 0.14%
Last modified
CVE-2026-48903 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Joomla | Joomla\! | >= 3.0.0, < 5.4.6 |
| Joomla | Joomla\! | >= 6.0.0, < 6.1.1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-48903?
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
How severe is CVE-2026-48903?
CVE-2026-48903 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-48903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-48903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST