CVE-2025-50986: diskover-web v2.3.0 Community Edition suffers from multiple stored cross-site scripting (XSS) vulnerabilities

This week

MEDIUM 5.6REMOTEDOWNGRADE

CVE-2025-50986 is a medium-severity flaw (CVSS 5.6) affecting diskover. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

diskover-web v2.3.0 Community Edition suffers from multiple stored cross-site scripting (XSS) vulnerabilities in its administrative settings interface. Various configuration fields such as ES_HOST, ES_INDEXREFRESH, ES_PORT, ES_SCROLLSIZE, ES_TRANSLOGSIZE, ES_TRANSLOGSYNCINT, EXCLUDES_FILES, FILE_TYPES[], INCLUDES_DIRS, INCLUDES_FILES, and TIMEZONE do not properly sanitize user-supplied input. Malicious payloads submitted via these parameters are

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-08-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: diskoverdata

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

Am I affected?

Timeline

2025-08-27 15:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

diskoverdata diskover DOWNGRADE

Affected: 2.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3.0 (Debian / Ubuntu)

apt-cache madison diskover sudo apt install diskover=<VERSION_BEFORE_2.3.0> sudo apt-mark hold diskover

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

dnf --showduplicates list diskover sudo dnf downgrade diskover-<VERSION_BEFORE_2.3.0> sudo dnf versionlock add diskover

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-2025-50986?

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

Is CVE-2025-50986 being exploited?

CVE-2025-50986 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-2025-50986 affect?

CVE-2025-50986 affects diskover. Severity is medium (CVSS 5.6). diskover-web v2.3.0 Community Edition suffers from multiple stored cross-site scripting (XSS) vulnerabilities in its administrative settings interface. Various configuration fields such as ES_HOST, ES_INDEXREFRESH, ES_PORT, ES_SCROLLSIZE, E

How urgent is CVE-2025-50986?

Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-50985 MEDIUM 5.6 DOWNGRADE diskover-web v2.3.0 Community Edition is vulnerable to multiple reflected cross-site scripting (XSS) flaws in
CVE-2025-50984 MEDIUM 5.3 DOWNGRADE diskover-web v2.3.0 Community Edition is vulnerable to multiple boolean-based blind SQL injection flaws in its

References

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