Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting flaw in the pfSense CE Suricata package. An authenticated user with Suricata package permissions could save unsafe HTML-related content that later displays in the web interface. Business risk is moderate because the attacker already needs access, but firewall administration interfaces are sensitive.
Executive priority
Handle in the normal vulnerability remediation cycle, faster for internet-reachable or broadly administered pfSense consoles. The issue is not marked as exploited, but administrative firewall interfaces deserve tighter access control and timely patching.
Technical view
CVE-2025-34177 affects pfSense CE Suricata package v7.0.8_2. The policy_name parameter in /suricata/suricata_flow_stream.php is not sanitized before display, enabling stored XSS. The CVE lists CWE-79 and CVSS 4.0 score 5.1, with network access, low privileges, and user interaction required.
Likely exposure
Exposure is limited to pfSense CE systems running the Suricata package version 7.0.8_2. The attacker must authenticate with at least "WebCfg - Services: suricata package" permissions. Systems without that package or version are not identified as affected in the bundle.
Exploitation context
The source bundle does not show KEV listing or active exploitation evidence. Exploitation requires authenticated access and user interaction in the pfSense web interface. The main concern is script execution in an administrative context, not direct unauthenticated firewall compromise.
Researcher notes
Evidence supports a stored XSS caused by unsanitized policy_name rendering in a Suricata package page. Public sources identify a patch commit and pfSense issue, but the bundle does not provide exploit telemetry or a fixed package version name beyond the patch reference.
Mitigation direction
- Apply Netgate or pfSense Suricata package updates that include the referenced patch.
- Restrict pfSense web configurator access to trusted management networks.
- Review accounts with Suricata package permissions and remove unnecessary access.
- Monitor vendor guidance for fixed package version details.
- Treat unexpected Suricata policy names as suspicious until remediated.
Validation and detection
- Inventory pfSense CE instances with the Suricata package installed.
- Confirm whether Suricata package version 7.0.8_2 is present.
- Review pfSense user roles for Suricata package permissions.
- Check whether the referenced upstream patch is included in the installed package.
- Inspect Suricata policy names for unexpected HTML-like content.
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-2025-34177 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
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA: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
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA: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
- https://github.com/pfsense/FreeBSD-ports/commit/97852ccfd201b24ee542be30af81272485fde0b4CVE reference, VulnCheck · patch
- https://redmine.pfsense.org/issues/16414CVE reference, VulnCheck · issue-tracking
- https://www.vulncheck.com/advisories/netgate-pf-sense-ce-suricata-stored-xssCVE 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.
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.