Security readout for executives and security teams
Plain-English summary
CVE-2018-25331 is a cross-site scripting issue in Zenar CMS 7.0. An unauthenticated attacker can cause malicious JavaScript to run in a user’s browser if that user interacts with crafted content or a request. Business impact is mainly session, content integrity, and user trust risk, not direct server takeover.
Executive priority
Treat as a moderate-priority web application issue. It requires user interaction, but public exploit information exists and unauthenticated attackers can trigger the vulnerable path. Address exposed Zenar 7.0 systems during the next security maintenance cycle, sooner for high-trust customer portals.
Technical view
Zenar Content Management System 7.0 reflects unsanitized input from the current_page parameter sent to ajax.php in response HTML. This is CWE-79 reflected XSS. CVSS 3.1 is 6.1, with network attack vector, low complexity, no privileges required, and user interaction required.
Likely exposure
Exposure is limited to organizations running Zenar CMS version 7.0, especially internet-facing instances. The source bundle does not identify other affected versions, supported branches, or a vendor patch level.
Exploitation context
The source bundle cites an Exploit-DB entry, indicating public exploit information exists. CISA KEV is false in the provided data, and no cited source states active exploitation in the wild.
Researcher notes
Evidence supports reflected XSS through ajax.php current_page in Zenar CMS 7.0. The bundle does not provide a vendor advisory, fixed version, or proof of active exploitation. Avoid assuming impact beyond browser-executed JavaScript in a victim session.
Mitigation direction
- Inventory Zenar CMS deployments and identify any version 7.0 instances.
- Check Zenar vendor guidance for fixed versions or recommended mitigations.
- Prioritize remediation for public-facing or authenticated-user portals.
- Apply output encoding and input sanitization where custom code handles reflected parameters.
- Use web application firewall rules only as temporary compensating controls.
Validation and detection
- Confirm whether Zenar CMS 7.0 is deployed.
- Review ajax.php handling of current_page for unsanitized reflection.
- Use safe, non-executing test strings to verify output encoding behavior.
- Check web logs for unusual POST requests to ajax.php.
- Document whether remediation follows vendor guidance.
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-2018-25331 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:N/UI:R/S:C/C:L/I:L/A:N2.82.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-44664CVE reference, VulnCheck · exploit
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Zenar Content Management System Cross-Site Scripting via ajax.phpCVE reference, VulnCheck · third-party-advisory
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.