Security readout for executives and security teams
Plain-English summary
This issue affects changedetection.io deployments before v0.40.1.1. A logged-in attacker could store malicious script content through the watch URL workflow, causing it to run when another user views the main page. Business risk is mainly account misuse, data exposure in the web interface, and trust loss, not direct server takeover.
Executive priority
Treat this as a moderate-priority web application issue. It is not described as actively exploited, but stored XSS can compromise user sessions and administrative actions when privileged users view affected pages.
Technical view
CVE-2023-24769 is a stored XSS vulnerability classified as CWE-79 with CVSS 3.1 score 5.4. The source says the URL parameter in the “Add a new change detection watch” function was not safely handled, allowing arbitrary web scripts or HTML to be stored and later rendered on the main page.
Likely exposure
Exposure is likely limited to organizations running changedetection.io before v0.40.1.1, especially where multiple users can create watches. The CVE record’s affected-product metadata is incomplete, so confirm exposure against deployed package version and project guidance.
Exploitation context
The CVSS vector requires network access, low privileges, and user interaction. The bundle does not cite CISA KEV listing or active exploitation evidence. Public references include an issue, video, and researcher page, but the provided bundle does not establish exploitation in the wild.
Researcher notes
Key uncertainty is source completeness: the CVE description names changedetection.io before v0.40.1.1, while structured affected metadata is n/a. Validate against project releases or commits before making asset-wide conclusions. Avoid assuming broader products or exploit activity beyond the cited sources.
Mitigation direction
- Identify changedetection.io deployments running versions before v0.40.1.1.
- Upgrade to v0.40.1.1 or later following project guidance.
- Restrict watch creation to trusted authenticated users.
- Review existing watch URLs for unexpected HTML or script content.
- Monitor vendor and project advisories for confirmed remediation guidance.
Validation and detection
- Check the deployed changedetection.io version against v0.40.1.1.
- Confirm only trusted users can add new watches.
- Verify stored watch URL values render safely as text in staging.
- Review application logs for unusual watch creation activity.
- Document findings because affected-product metadata is incomplete.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-24769 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/dgtlmoon/changedetection.io/issues/1358CVE reference
- https://www.youtube.com/watch?v=TRTpRlkU3HcCVE reference
- https://www.edoardoottavianelli.it/CVE-2023-24769CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.