CVE-2024-21732: FlyCms through abbaa5a allows XSS via the permission management feature.

Q: How do I fix CVE-2024-21732?

flycms: upgrade to newer than 2019-12-20. Exact commands for each OS are on this page.

Q: Is CVE-2024-21732 being exploited?

CVE-2024-21732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-21732 affect?

CVE-2024-21732 affects flycms. Severity is medium (CVSS 6.1). FlyCms through abbaa5a allows XSS via the permission management feature.

Q: How urgent is CVE-2024-21732?

Priority 36/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2024-21732 is a medium-severity flaw (CVSS 6.1) affecting flycms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FlyCms through abbaa5a allows XSS via the permission management feature.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-01-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: flycms project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-01 08:15 UTCPublished CVE record published
2026-06-17 07:10 UTCUpdated Record last modified

flycms project flycms UPGRADE

Affected: <= 2019-12-20

Fixed in: newer than 2019-12-20

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flycms || rpm -q flycms || flycms --version

2. UPGRADE to newer than 2019-12-20 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flycms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flycms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-21732?

flycms: upgrade to newer than 2019-12-20. Exact commands for each OS are on this page.

Is CVE-2024-21732 being exploited?

CVE-2024-21732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-21732 affect?

CVE-2024-21732 affects flycms. Severity is medium (CVSS 6.1). FlyCms through abbaa5a allows XSS via the permission management feature.

How urgent is CVE-2024-21732?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2025-15093 MEDIUM 4.3 UPGRADE A security flaw has been discovered in sunkaifei FlyCMS up to abbaa5a8daefb146ad4d61027035026b052cb414
CVE-2025-15094 MEDIUM 4.3 UPGRADE A weakness has been identified in sunkaifei FlyCMS up to abbaa5a8daefb146ad4d61027035026b052cb414
CVE-2024-27694 HIGH 7.4 DOWNGRADE FlyCms v1.0 was discovered to contain a Cross-Site Request Forgery (CSRF) vulnerability via the /system/share/
CVE-2024-22939 HIGH 8.8 DOWNGRADE Cross Site Request Forgery vulnerability in FlyCms v.1.0 allows a remote attacker to execute arbitrary code vi
CVE-2024-22819 HIGH 8.8 DOWNGRADE FlyCms v1.0 contains a Cross-Site Request Forgery (CSRF) vulnerability via /system/email/email_templets_update

References

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