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Not in CISA KEV
MEDIUM severity

CVE-2023-24769 — changedetection-io

MEDIUMFix: dgtlmoon/changedetection.io#1359

CVE-2023-24769 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in changedetection-io. 2 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for changedetection-io — see the affected versions and patch details below.

Stored cross site scripting in changedetection.io

Also known asGHSA-68wj-c2jw-5pp9PYSEC-2023-10
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
2 known
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-24769.

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs51th percentile — riskier than 51% of all scored CVEsHighest risk
0.13%0.50%0.88%1.25%0.8%0.6%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍changedetection-io

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Changedetection.io before v0.40.1.1 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the main page. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the URL parameter under the "Add a new change detection watch" function.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIchangedetection-ioall versions0.40.2pip install --upgrade 'changedetection-io==0.40.2'

Affected Products

1 product · 1 configurations
Application
changedetectionwebtechnologies
< 0.40.1.1
range
Exploits & PoCs
2

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Changedetection.io before v0.40.1.1 was discovered to contain a stored c…

github.comNVDFeb 2023

Report on youtube.com

youtube.comNVDFeb 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for changedetection-io, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update changedetection-io to 0.40.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-24769 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Changedetection.io before v0.40.1.1 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the main page. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the URL parameter under the "Add a new change detection watch" function.
O3 Security · Impact-Aware SCA

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CVE-2023-24769: changedetection-io XSS — Fixed in 0.40.2