6.9

CVE-2026-48905: Joomla! Framework - [20260520] - Inadequate content filtering within the cleanAttributes filter code.

Analyzed
Published 26-05-2026Last modified 27-05-2026

Vulnerability summary

CVE-2026-48905 is a medium (CVSS 6.9) Cross-site Scripting vulnerability in joomla! project joomla! framework filter package. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.24%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 26-05-2026
    PublishedVulnerability first disclosed.
  2. 27-05-2026
    Last modifiedVulnerability information updated.

Description

Lack of input filtering leads to an XSS vector in the HTML filter code.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

Increase +0.09 pp

From 0.15% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Joomla1 product
  • joomla\!≥ 3.0.0, < 5.4.6 | ≥ 6.0.0, < 6.1.0
Joomla! project1 product

2 vendors · 2 products

References

1 links