VulnerabilityModified
CVE-2021-43265
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.
MEDIUM 5.4EPSS 0.62%
Does this matter?
Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.62% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mahara/mahara
- Source
- cve@mitre.org
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugs.launchpad.net/mahara/+bug/1944633Exploit, Third Party Advisory
- https://mahara.org/interaction/forum/topic.php?id=8953Vendor Advisory
- https://bugs.launchpad.net/mahara/+bug/1944633Exploit, Third Party Advisory
- https://mahara.org/interaction/forum/topic.php?id=8953Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.