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CVE-2020-15907

21
FAUCET Score

CVE-2020-15907 is a cross-site scripting (XSS) vulnerability affecting Mahara versions 19.04 (before 19.04.6), 19.10 (before 19.10.4), and 20.04 (before 20.04.1), where malicious JavaScript could be executed via crafted file or folder names. This medium-severity vulnerability (CVSS 6.1) requires user interaction and could lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 19.04, < 19.04.6CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
>= 19.10, < 19.10.4CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
>= 20.04, < 20.04.1CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 55th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.launchpad.net / mahara/+bug/1888163
PatchThird Party Advisory
mahara.org / interaction/forum/topic.php
Vendor Advisory