CVE-2021-26028
[20210308] - Core - Path Traversal within joomla/archive zip class
MEDIUM
5.5
CVSS Score
Published: March 4, 2021 at 05:37 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorJoomla!
Using Joomla! CMS by Joomla! Project?
Get instant alerts when new vulnerabilities affect Joomla! CMS - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
Description
An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0.0 ≤ v < 3.9.253.0.0-3.9.24
Affected range stops below 3.9.25, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://developer.joomla.org/security-centre/848-20210308-core-path-traversal-within-joomla-archive-zip-class.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card