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CVE-2025-52558: dgtlmoon changedetection.io Cross-site Scripting

CVSS: 7.0v4.0HighDeferred
AliasesGHSA-hwpg-x5hw-vpv9PYSEC-2026-1241
Published 23-06-2025Last modified 24-06-2025
Open JSON

Vulnerability summary

CVE-2025-52558 is a high (CVSS 7.0) Cross-site Scripting vulnerability in dgtlmoon changedetection.io. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.6% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v4.0 (CVE.org)
EPSS score
0.59%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-06-2025
    PublishedVulnerability first disclosed.
  2. 24-06-2025
    Last modifiedVulnerability information updated.

Description

changedetection.io is a free open source web page change detection, website watcher, restock monitor and notification service. Prior to version 0.50.4, errors in filters from website page change detection watches were not being filtered resulting in a cross-site scripting (XSS) vulnerability. This issue has been patched in version 0.50.4

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.04 pp

From 0.55% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Dgtlmoon1 product
PyPI1 product
  • changedetection-io< 0.50.4

2 vendors · 2 products

References

6 links