Summernote vulnerable to cross-site scripting

published 2024-04-10 2 y ago modified 2026-06-17 4 mo ago also GHSA-4wh3-3wf2-39m9 , EUVD-2024-1096

cvss: 7.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Cross Site Scripting vulnerability in Summernote v.0.8.18 and before allows a remote attacker to execute arbtirary code via a crafted payload to the codeview parameter.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-04-11)

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/summernote/summernote/pull/3782 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
CNA	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	summernote	<=0.8.18	no fix listed

Affected products

summernote summernote

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /summernote/summernote/pull/3782
web, exploit, issue-tracking
gist.github.com /phoenix118go/a9192281efcfa518daa709ab7638712b
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2024-29504
advisory
github.com /summernote/summernote
package

Sources

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