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CVE-2023-28427

26
FAUCET Score

CVE-2023-28427 is a high-severity vulnerability affecting versions of the matrix-js-sdk prior to 24.0.0, where specially crafted strings in Matrix events can disrupt or impede the SDK's proper functioning, potentially leading to data exclusion or corruption. With a CVSS score of 8.2, this vulnerability has a network attack vector, low attack complexity, and can result in high availability impact and low integrity impact. There is currently no known active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 24.0.0CPE matchmatch criteria
cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 43rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Patch Available

Vendor Patches (15)

harborpatch availablevia llm_extracted
Fixed in: matrix-js-sdk 20.0.0, matrix-react-sdk 3.54.0
View patch
netgearpatch availablevia llm_extracted
Fixed in: matrix-js-sdk 26.0.0
View patch
npmpatch availablevia ghsa
Product: matrix-js-sdkFixed in: 24.0.0
phoenix_contactpatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: thunderbird-0:102.10.0-2.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: thunderbird-0:102.10.0-2.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: thunderbird-0:102.10.0-2.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: thunderbird-0:102.10.0-2.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: thunderbird-0:102.10.0-2.el9_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: thunderbird-0:102.10.0-2.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsFixed in: thunderbird-0:102.10.0-2.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:102.10.0-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:102.10.0-2.el8_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsFixed in: thunderbird-0:102.10.0-2.el8_1
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (5)

npmGHSA-mwq8-fjpf-c2grhigh

Prototype pollution in matrix-js-sdk (part 2)

Mar 30, 2023
harborllm-harbor-ee0543034c51d3d4HIGH

High Severity Prototype Pollution Vulnerabilities in matrix-js-sdk and matrix-react-sdk

Mar 29, 2023
netgearllm-netgear-e83b70ba5aa1befbHIGH

Prototype Pollution in matrix-js-sdk

Mar 29, 2023
phoenix_contactllm-phoenix_contact-9abfaf72a2822a0bHIGH

High-severity Prototype Pollution vulnerabilities in matrix-js-sdk and matrix-react-sdk

Mar 29, 2023
redhatCVE-2023-28427Important

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

Mar 28, 2023

References

github.com / matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
Vendor Advisory
lists.debian.org / debian-lts-announce/2023/04/msg00027.html
matrix.org / blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
Vendor Advisory
security.gentoo.org / glsa/202305-36
debian.org / security/2023/dsa-5392