CVE-2026-48905
CVE-2026-48905 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31884
- Weakness: CWE-79
- Affected product: Joomla Joomla!
- Published:
- Last modified:
Description
Lack of input filtering leads to an XSS vector in the HTML filter code.
Frequently asked questions
- What is CVE-2026-48905?
- Lack of input filtering leads to an XSS vector in the HTML filter code.
- How severe is CVE-2026-48905?
- CVE-2026-48905 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-48905 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-48905?
- CVE-2026-48905 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-48905?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-48905 have an EU (EUVD) identifier?
- Yes. CVE-2026-48905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31884.
- When was CVE-2026-48905 published?
- CVE-2026-48905 was published on 2026-05-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
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- CVE-2026-40383 — Critical (CVSS 9.8): An improper validation of user-supplied input leads to a local file inclusion vulnerability.
- CVE-2026-35223 — Critical (CVSS 9.8): An improper access check allows unauthorized access to com_config webservice endpoints.
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