Security readout for executives and security teams
Plain-English summary
CVE-2018-7303 is a reported HTML injection issue in the Calendar component of Tiki 17.1. The public bundle does not include a CVSS score, patch details, or evidence of exploitation. Business urgency depends on whether Tiki 17.1 is deployed and whether untrusted users can create or edit calendar content.
Executive priority
Prioritize verification over emergency response. If Tiki 17.1 Calendar is exposed to untrusted users, treat remediation as time-sensitive because injected HTML can affect user trust and application integrity. If Tiki is absent, no action is needed beyond documenting non-exposure.
Technical view
The CVE record states that Tiki 17.1 Calendar allows HTML injection. Structured affected-product and CWE data are not populated in the bundle. The issue should be treated as input/output handling weakness affecting calendar content rendering, but sources do not confirm script execution, authentication requirements, or exact attack prerequisites.
Likely exposure
Likely exposure is limited to organizations running Tiki 17.1 with the Calendar component enabled, especially where calendar entries can be submitted by low-trust users. The source bundle does not establish exposure for other Tiki versions or products.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not state active exploitation. A public 2018 third-party reference exists, so defenders should assume the issue is publicly known, but not confirmed as exploited in the wild.
Researcher notes
Evidence is sparse: the CVE description is one sentence, severity is unknown, and no CVSS, CWE, patch, or exploit-status details are included. Do not generalize this finding beyond Tiki 17.1 Calendar unless additional vendor or primary-source evidence supports it.
Mitigation direction
- Inventory public and internal Tiki deployments and identify any Tiki 17.1 instances.
- Check whether the Calendar component is enabled and writable by untrusted users.
- Restrict calendar creation and editing to trusted users until vendor guidance is confirmed.
- Review official Tiki release notes or vendor guidance for the relevant fix path.
- Review existing calendar content for unexpected or unauthorized HTML.
Validation and detection
- Confirm installed Tiki versions from asset inventory or application administration records.
- Verify whether Calendar routes or features are reachable by unauthenticated or low-privilege users.
- Review role permissions for creating or editing calendar entries.
- Inspect calendar records for unexpected HTML markup or suspicious content.
- Check web and application logs for unusual calendar-content changes.
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.
CVE-2018-7303 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
- 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://websecnerd.blogspot.in/2018/01/tiki-wiki-cms-groupware-17.htmlCVE 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.