CVE-2026-29038
🔶 mediumSummary
changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, there is a reflected cross-site scripting (XSS) vulnerability identified in the /rss/tag/ endpoint of changedetection.io. The tag_uuid path parameter is reflected directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the browser parses and executes injected JavaScript. This issue has been patched in version 0.54.4.
CVSS Score
6.1
Medium
EPSS Score
0.0
Exploit Probability
Published Date
2026-03-06
First Seen: 2026-03-07
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 39.0% of all 321,566 vulnerabilities in our database.
#196,174
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Mar 9, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by
CISA
Last Modified
2026-03-10
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE IDs (Weakness Types)