Moodle Cross-site Scripting in the Course summary filter of the Add a new course

published 2017-03-29 9 y ago modified 2026-06-17 4 mo ago also GHSA-4m6v-x9fj-847j , EUVD-2022-2407

cvss: 5.4; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

In Moodle 3.2.2+, there is XSS in the Course summary filter of the "Add a new course" page, as demonstrated by a crafted attribute of an SVG element.

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

daimacn.com http://www.daimacn.com/post/12.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	moodle/moodle	>=3.2, <=3.2.2	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

daimacn.com /post/12.html
web, exploit, third-party-advisory
daimacn.com /index.php/post/12.html
web
securityfocus.com /bid/97182
vdb-entry, web
nvd.nist.gov /vuln/detail/CVE-2017-7298
advisory
github.com /moodle/moodle
package

Sources

CVE List CVE-2017-7298
GitHub Advisory GHSA-4m6v-x9fj-847j
NVD CVE-2017-7298

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary