Security readout for executives and security teams
Plain-English summary
This CVE describes a cross-site scripting issue in Archon 3.21 rev-1. A vulnerable contact page parameter may allow attacker-controlled script content to run in a user's browser. The public record does not provide severity scoring, confirmed exploitation, or vendor remediation details, so urgency depends on whether the affected Archon contact page is exposed.
Executive priority
Treat this as a targeted exposure check, not an enterprise-wide emergency, unless Archon 3.21 rev-1 is public-facing or used by privileged staff. The absence of scoring and remediation detail makes asset confirmation the immediate priority.
Technical view
The CVE identifies XSS in packages/core/contact.php in Archon 3.21 rev-1, involving the referer parameter on index.php?p=core/contact. The record does not include CVSS, CWE, patch information, or detailed affected CPEs. KEV status is false, and the only listed third-party reference is Open Bug Bounty OBB-278503.
Likely exposure
Exposure is most likely for organizations still running Archon 3.21 rev-1 with the core contact page accessible to users or the internet. The source bundle does not substantiate other versions, forks, vendors, or products as affected.
Exploitation context
The provided sources do not show active exploitation, inclusion in CISA KEV, or weaponized public exploit details. XSS risk generally depends on whether attackers can induce users to interact with affected pages and whether browser-side trust, sessions, or administrative users are exposed.
Researcher notes
The evidence is sparse: CVE text names the file, route, parameter, version, and Open Bug Bounty report, but no CVSS, CWE, patch, vendor advisory, or exploit status is provided. Avoid extrapolating impact beyond Archon 3.21 rev-1 unless additional primary sources confirm it.
Mitigation direction
- Check Archon project or vendor guidance for a supported fix or replacement path.
- Identify and retire unsupported Archon deployments where feasible.
- Restrict access to the contact page until remediation is confirmed.
- If maintaining code, validate and encode reflected referer output after testing.
- Monitor web logs for suspicious contact page and referrer activity.
Validation and detection
- Inventory web applications for Archon 3.21 rev-1 deployments.
- Confirm whether index.php?p=core/contact is reachable externally.
- Review logs for unusual referrer values reaching the contact page.
- Use safe staging tests to confirm reflected output is encoded.
- Document whether the instance is patched, replaced, restricted, or accepted risk.
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
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ATT&CK lookup starting points
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CVE-2017-17911 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.openbugbounty.org/reports/278503/CVE reference · x_refsource_MISC
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.