CVE-2014-5144: Cross-site scripting (XSS) vulnerability in Telescope before 0.9.3 allows remote authenticated users to inject

Q: How do I fix CVE-2014-5144?

telescope: upgrade to newer than 0.9.0. Exact commands for each OS are on this page.

Q: Is CVE-2014-5144 being exploited?

CVE-2014-5144 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-5144 affect?

CVE-2014-5144 affects telescope. Severity is medium (CVSS 5.4). Cross-site scripting (XSS) vulnerability in Telescope before 0.9.3 allows remote authenticated users to inject arbitrary web script or HTML via crafted markdown.

Q: How urgent is CVE-2014-5144?

Priority 44/100. Public exploit reference

This month

MEDIUM 5.4UPGRADE

CVE-2014-5144 is a medium-severity flaw (CVSS 5.4) affecting telescope. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Telescope before 0.9.3 allows remote authenticated users to inject arbitrary web script or HTML via crafted markdown.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-08-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: telescopeapp

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

Am I affected?

Timeline

2017-08-09 18:29 UTCPublished CVE record published
2026-06-17 00:11 UTCUpdated Record last modified

telescopeapp telescope UPGRADE

Affected: <= 0.9.0

Fixed in: newer than 0.9.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.9.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade telescope

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade telescope

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Telescope 0.9.2 - Markdown Persistent Cross-Site Scripting

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-2014-5144?

telescope: upgrade to newer than 0.9.0. Exact commands for each OS are on this page.

Is CVE-2014-5144 being exploited?

CVE-2014-5144 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-2014-5144 affect?

CVE-2014-5144 affects telescope. Severity is medium (CVSS 5.4). Cross-site scripting (XSS) vulnerability in Telescope before 0.9.3 allows remote authenticated users to inject arbitrary web script or HTML via crafted markdown.

How urgent is CVE-2014-5144?

Priority 44/100. Public exploit reference

References

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