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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-27645

33
FAUCET Score

CVE-2026-27645 is a cross-site scripting (XSS) vulnerability affecting changedetection.io versions prior to 0.54.1. The flaw allows for the injection and execution of arbitrary JavaScript due to improper HTML escaping of the UUID path parameter in the RSS single-watch endpoint. This vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.54.1CPE matchmatch criteria
cpe:2.3:a:webtechnologies:changedetection:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2026-27645 · Feb 27, 2026
This CVE's current EPSS score of 0.0044 is in the 38th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: changedetection.ioFixed in: 0.53.7

Vendor Advisories (1)

pipGHSA-mw8m-398g-h89wmedium

changedetection.io Vulnerable to Reflected XSS in RSS Single Watch Error Response

Feb 25, 2026

References

github.com / dgtlmoon/changedetection.io/commit/a385c89abf44b52fcfa20c7c6a6dd3047c4c1eb5
Patch
github.com / dgtlmoon/changedetection.io/security/advisories/GHSA-mw8m-398g-h89w
ExploitVendor Advisory