CVE-2015-8007: The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote au

Routine

MEDIUM 4.0MITIGATE

CVE-2015-8007 is a medium-severity flaw (CVSS 4.0) affecting echo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticated users to see hidden usernames in "non-revision based" notifications, as demonstrated by viewing a hidden username in a Thanks notification.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.0 (Medium)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-200
Published	2015-11-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: echo project

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

Am I affected?

Timeline

2015-11-09 18:59 UTCPublished CVE record published
2026-06-17 00:33 UTCUpdated Record last modified

echo project echo MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2015-8007?

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

Is CVE-2015-8007 being exploited?

CVE-2015-8007 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-2015-8007 affect?

CVE-2015-8007 affects echo. Severity is medium (CVSS 4.0). The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticated users to see hidden usernames in "non-revision based" notifications, as demonstrated by viewing a hidden username in a

How urgent is CVE-2015-8007?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2025-51741 HIGH 7.5 DOWNGRADE An issue was discovered in Veal98 Echo Open-Source Community System 2.2 thru 2.3 allowing an unauthenticated a
CVE-2022-40083 CRITICAL 9.6 DOWNGRADE Labstack Echo v4.8.0 was discovered to contain an open redirect vulnerability via the Static Handler component
CVE-2020-36565 MEDIUM 5.3 UPGRADE Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal,
CVE-2009-5135 MEDIUM 5.0 UPGRADE The Java XML parser in Echo before 2.1.1 and 3.x before 3.0.b6 allows remote attackers to read arbitrary files

References

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