Security readout for executives and security teams
Plain-English summary
CVE-2019-12748 is a cross-site scripting issue in TYPO3. The supplied sources identify affected TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7. Business urgency depends on where vulnerable TYPO3 sites are exposed and who can trigger the issue; the provided evidence does not include CVSS, exploit status, or patch details.
Executive priority
Treat this as an inventory-and-remediate item for TYPO3 estates, especially public websites. Urgency is real but cannot be precisely ranked from the supplied evidence because severity, exploitability, and patch details are incomplete.
Technical view
The CVE description states that affected TYPO3 versions allow XSS. No CWE, CVSS vector, vulnerable component, prerequisites, payload context, or fixed version is included in the supplied bundle. The only vendor reference provided is TYPO3-CORE-SA-2019-015, which should be treated as the authoritative remediation source.
Likely exposure
Exposure is limited to organizations running TYPO3 in the affected version ranges. Internet-facing TYPO3 deployments, public content-management workflows, and systems used by privileged editors or administrators deserve priority review.
Exploitation context
The bundle does not show active exploitation, public exploit use, or KEV listing. It only supports that XSS is possible in specified TYPO3 versions. Do not assume weaponized exploitation without additional evidence.
Researcher notes
The record is sparse: affected version ranges and XSS class are known, but the vulnerable sink, attacker role, interaction requirement, and fixed release are not provided in the bundle. Use the TYPO3 advisory as the next authoritative source before making technical assertions.
Mitigation direction
- Inventory TYPO3 installations and record exact core versions.
- Check TYPO3 advisory TYPO3-CORE-SA-2019-015 for vendor remediation guidance.
- Update affected TYPO3 systems following the vendor-supported path.
- Prioritize internet-facing or business-critical TYPO3 deployments.
- Monitor TYPO3 sessions and content changes for suspicious activity.
Validation and detection
- Confirm no deployment runs TYPO3 8.3.0 through 8.7.26.
- Confirm no deployment runs TYPO3 9.0.0 through 9.5.7.
- Document the advisory review and chosen remediation path.
- Verify updated systems remain functional after remediation.
- Track this CVE until vendor guidance is fully 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.
CVE-2019-12748 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://typo3.org/security/advisory/typo3-core-sa-2019-015/CVE reference · x_refsource_CONFIRM
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.