CVE-2024-51577: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in neville.

Q: How urgent is CVE-2024-51577?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5DOWNGRADE

CVE-2024-51577 is a medium-severity flaw (CVSS 6.5) affecting bpmn.io. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in neville.lugton bpmn.io bpmnio allows Stored XSS.This issue affects bpmn.io: from n/a through <= 1.0.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-11-10
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: camunda

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

Am I affected?

Timeline

2024-11-10 10:15 UTCPublished CVE record published
2026-06-17 08:05 UTCUpdated Record last modified

camunda bpmn.io DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy bpmn.io || rpm -q bpmn.io || bpmn.io --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison bpmn.io sudo apt install bpmn.io=<VERSION_BEFORE_1.0> sudo apt-mark hold bpmn.io

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bpmn.io sudo dnf downgrade bpmn.io-<VERSION_BEFORE_1.0> sudo dnf versionlock add bpmn.io

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-51577?

bpmn.io: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-51577 being exploited?

CVE-2024-51577 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-2024-51577 affect?

CVE-2024-51577 affects bpmn.io. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in neville.lugton bpmn.io bpmnio allows Stored XSS.This issue affects bpmn.io: from n/a through <= 1.0.

How urgent is CVE-2024-51577?

Priority 27/100. No elevated risk signals yet.

References

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