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CVE-2021-32718

20
FAUCET Score

CVE-2021-32718 is a cross-site scripting (XSS) vulnerability affecting RabbitMQ servers prior to version 3.8.17. It allows for JavaScript code execution within the management UI if an authenticated, privileged user adds a new user with a specially crafted name. The vulnerability has a CVSS score of 5.4 (Medium), indicating it requires user interaction and elevated privileges, but could lead to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.8.17CPE matchmatch criteria
cpe:2.3:a:vmware:rabbitmq:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.5
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0144 is in the 96th percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: rabbitmq-server-0:3.8.16-3.el8ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: rabbitmq-server-0:3.7.23-9.el8ost
View patch

Vendor Advisories (1)

redhatCVE-2021-32718Low

rabbitmq-server: improper neutralization of script-related HTML tags in a web page (basic XSS) in management UI

May 6, 2021

References

seclists.org / fulldisclosure/2021/Dec/3
ExploitMailing ListThird Party Advisory
github.com / rabbitmq/rabbitmq-server/pull/3028
PatchThird Party Advisory
github.com / rabbitmq/rabbitmq-server/security/advisories/GHSA-c3hj-rg5h-2772
MitigationThird Party Advisory