Vulnerability Details : CVE-2021-43265
Potential exploit
In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, certain tag syntax could be used for XSS, such as via a SCRIPT element.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-43265
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43265
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43265
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-43265
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43265
-
https://bugs.launchpad.net/mahara/+bug/1944633
Bug #1944633 “Stored cross site scripting in all “tags” input” : Bugs : MaharaExploit;Third Party Advisory
-
https://mahara.org/interaction/forum/topic.php?id=8953
Security Announcements - Tag syntax could cause code execution in Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0 - Mahara ePortfolio SystemVendor Advisory
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