CVE-2015-0900: Cross-site scripting (XSS) vulnerability in schedule.cgi in Nishishi Factory Fumy Teacher's Schedule Board 1.1

Routine

MEDIUM 4.3DOWNGRADE

CVE-2015-0900 is a medium-severity flaw (CVSS 4.3) affecting fumy teachers schedule board. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in schedule.cgi in Nishishi Factory Fumy Teacher's Schedule Board 1.10 through 2.21 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-03-31
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: nishishi

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

Am I affected?

Timeline

2015-03-31 10:59 UTCPublished CVE record published
2026-06-17 00:21 UTCUpdated Record last modified

nishishi fumy teachers schedule board DOWNGRADE

Affected: 1.10 · 2.00 · 2.10 · 2.20 · 2.21

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.10

1. Check installed version

apt-cache policy fumy-teachers-schedule-board || rpm -q fumy-teachers-schedule-board || fumy-teachers-schedule-board --version

2. No fixed release: DOWNGRADE to a release before 1.10 (Debian / Ubuntu)

apt-cache madison fumy-teachers-schedule-board sudo apt install fumy-teachers-schedule-board=<VERSION_BEFORE_1.10> sudo apt-mark hold fumy-teachers-schedule-board

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

dnf --showduplicates list fumy-teachers-schedule-board sudo dnf downgrade fumy-teachers-schedule-board-<VERSION_BEFORE_1.10> sudo dnf versionlock add fumy-teachers-schedule-board

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-2015-0900?

fumy teachers schedule board: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-0900 being exploited?

CVE-2015-0900 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-2015-0900 affect?

CVE-2015-0900 affects fumy teachers schedule board. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in schedule.cgi in Nishishi Factory Fumy Teacher's Schedule Board 1.10 through 2.21 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

How urgent is CVE-2015-0900?

Priority 32/100. No elevated risk signals yet.

References

← Back to latest CVEs