Security readout for executives and security teams
Plain-English summary
FanPress CM 3.6.0 through 3.6.3 has a cross-site scripting flaw in its template preview feature. A logged-in remote user could manipulate preview content so script runs in another user's browser. The business risk is account/session misuse or content tampering within the CMS, but sources rate it medium and do not show confirmed active exploitation.
Executive priority
Schedule remediation in the normal vulnerability cycle, sooner for internet-facing or multi-user CMS environments. This is not KEV-listed in the supplied bundle, but it affects browser trust inside the CMS and has a clear vendor upgrade path.
Technical view
CVE-2018-25086 is CWE-79 in getArticlesPreview, inc/controller/action/system/templatepreview.php, Template Preview component. VulDB reports network access, low attack complexity, and authentication required, with CVSS v2 4.0. The vendor addressed it in FanPress CM 3.6.4 via commit c380d343c2107fcee55ab00eb8d189ce5e03369b.
Likely exposure
Exposure is limited to deployments running sea75300 FanPress CM versions 3.6.0, 3.6.1, 3.6.2, or 3.6.3, especially where CMS accounts can access Template Preview. The provided sources do not identify affected managed services, plugins, or downstream distributions.
Exploitation context
The sources state the issue can be initiated remotely and requires authentication. CISA KEV is false in the bundle, and no cited source confirms active exploitation. Treat this as a credible CMS abuse risk, not as a known exploited emergency from the supplied evidence.
Researcher notes
Focus validation on version evidence and patch presence. The bundle identifies the vulnerable function and file but does not provide exploit indicators, detailed preconditions beyond authentication, or proof of exploitation. Avoid assuming anonymous exploitation or broader product impact.
Mitigation direction
- Upgrade FanPress CM to version 3.6.4 or later.
- Apply vendor commit c380d343c2107fcee55ab00eb8d189ce5e03369b if maintaining a fork.
- Restrict CMS account access to trusted users only.
- Review vendor guidance before applying local workarounds.
Validation and detection
- Inventory FanPress CM installations and record exact versions.
- Confirm no production instance runs versions 3.6.0 through 3.6.3.
- Verify the 3.6.4 release or patch commit is deployed.
- Review CMS users with Template Preview access.
- Check application logs for unusual authenticated template preview activity.
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-2018-25086 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
- 4 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:S/C:N/I:P/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.
AV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
4MediumVector: AV:N/AC:L/Au:S/C:N/I:P/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.230235CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.230235CVE reference · signature, permissions-required
- https://github.com/sea75300/fanpresscm3/commit/c380d343c2107fcee55ab00eb8d189ce5e03369bCVE reference · patch
- https://github.com/sea75300/fanpresscm3/releases/tag/v3.6.4CVE reference · patch
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.