Security readout for executives and security teams
Plain-English summary
Typesetter CMS has a reflected XSS flaw in its editing workflow. A logged-in user with editing privileges could cause JavaScript to run in another user’s browser if that user interacts with the crafted request. The public sources do not show known active exploitation.
Executive priority
Treat as a moderate-priority CMS risk. It is not unauthenticated remote code execution, but it can affect administrator or editor sessions and should be remediated during the next security maintenance window.
Technical view
The issue is CWE-79 in include/tool/Editing.php. The images parameter, submitted as images[], is reflected into an HTML href attribute without context-aware output encoding. CVSS v4.0 is 4.8, with low attack complexity, required low privileges, and victim interaction required.
Likely exposure
Exposure is most relevant to organizations running Typesetter CMS up to and including 5.1, especially where multiple users have editing privileges. Public source data does not clearly establish package CPEs or all affected version boundaries.
Exploitation context
The attacker must authenticate and have editing privileges, and a victim must interact with the crafted content or request. The source bundle marks CISA KEV as false, and no provided source states active exploitation.
Researcher notes
Evidence points to reflected XSS through href attribute injection in the Editing component. The provided record includes CVSS v4.0 and CWE-79, but does not provide proof of exploitation, a named patch version, or complete CPE mapping.
Mitigation direction
- Check Typesetter project guidance and issue 706 for an official fix or release status.
- Limit editing privileges to trusted users until remediation is confirmed.
- Review editor accounts and remove unnecessary CMS editing access.
- If maintaining a fork, apply context-aware encoding for href attributes.
- Validate or reject unsafe URL schemes in image link handling.
Validation and detection
- Inventory Typesetter CMS deployments and confirm running versions.
- Check whether deployments are version 5.1 or earlier.
- Review who has authenticated editing privileges.
- Inspect Editing.php handling of images[] href output in a safe environment.
- Confirm whether vendor or advisory guidance has been applied.
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-2025-71164 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
- 4.8 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
4.8MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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/Typesetter/TypesetterCVE reference, VulnCheck · product
- https://github.com/Typesetter/Typesetter/issues/706CVE reference, VulnCheck · issue-tracking
- https://www.vulncheck.com/advisories/typesetter-cms-reflected-xss-via-editing-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.
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.