CVE-2021-26031
[20210402] - Core - Inadequate filters on module layout settings
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
CVE-2021-26031- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
[20210402] - Core - Inadequate filters on module layout settings
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
CVE-2021-26031- Updated
- 2026-11-02
EUVDEUVD-2021-12854 No score
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
EUVD-2021-12854- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-97xx-6pvj-86r8 No score
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout...
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
GHSA-97xx-6pvj-86r8- Updated
- 2026-11-02
OSV
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
CVE-2021-26031- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVBIT-joomla-2021-26031 No score
[20210402] - Core - Inadequate filters on module layout settings
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate filters on module layout settings could lead to an LFI.
- Record
BIT-joomla-2021-26031- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
joomlaBitnami |
3.0.0 to 3.9.25 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26031 is a medium vulnerability (CVSS 5.3) in Joomla Joomla\!, published April 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.