CVE-2025-5523: A vulnerability classified as problematic has been found in enilu web-flash 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2025-5523 is a low-severity flaw (CVSS 3.5) affecting web-flash. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic has been found in enilu web-flash 1.0. This affects the function fileService.upload of the file src/main/java/cn/enilu/flash/api/controller/FileController/upload of the component File Upload. The manipulation of the argument File leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-06-03
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: enilu

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

Am I affected?

Timeline

2025-06-03 20:15 UTCPublished CVE record published
2026-06-17 09:48 UTCUpdated Record last modified

enilu web-flash 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 web-flash || rpm -q web-flash || web-flash --version

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

apt-cache madison web-flash sudo apt install web-flash=<VERSION_BEFORE_1.0> sudo apt-mark hold web-flash

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

dnf --showduplicates list web-flash sudo dnf downgrade web-flash-<VERSION_BEFORE_1.0> sudo dnf versionlock add web-flash

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-2025-5523?

web-flash: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-5523 being exploited?

CVE-2025-5523 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-2025-5523 affect?

CVE-2025-5523 affects web-flash. Severity is low (CVSS 3.5). A vulnerability classified as problematic has been found in enilu web-flash 1.0. This affects the function fileService.upload of the file src/main/java/cn/enilu/flash/api/controller/FileController/upload of the component File Upload. The ma

How urgent is CVE-2025-5523?

Priority 23/100. Public exploit reference

Software pages

Java vulnerabilities

References

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