Security readout for executives and security teams
Plain-English summary
CVE-2018-11120 is a cross-site scripting issue in ILIAS, an e-learning platform. The affected line is ILIAS 5.1.x, 5.2.x, and 5.3.x before 5.3.5. Successful XSS can let an attacker run script in a user's browser within the application context.
Executive priority
Prioritize remediation during normal vulnerability maintenance, faster for public or multi-tenant learning systems. The business risk is user trust, session integrity, and potential phishing within a trusted portal rather than confirmed widespread exploitation.
Technical view
The CVE identifies XSS in Services/COPage/classes/class.ilPCSourceCode.php. The public record names affected ILIAS 5.1.x, 5.2.x, and 5.3.x before 5.3.5. The source bundle includes an upstream commit reference, but no CVSS vector, CWE mapping, exploit description, or detailed attack preconditions.
Likely exposure
Exposure is limited to organizations running ILIAS 5.1.x, 5.2.x, or 5.3.x earlier than 5.3.5. Internet-facing learning portals or systems with untrusted content authors should be prioritized for inventory and upgrade review.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. Treat it as a real XSS risk, but do not assume exploitation without environment evidence or additional vendor intelligence.
Researcher notes
Evidence is sparse: the CVE text only states XSS and affected versions. The commit is the best technical reference, but the bundle does not provide exploitability details, authentication requirements, or payload behavior. Validate against deployed version and patch state.
Mitigation direction
- Upgrade affected ILIAS deployments to 5.3.5 or a later supported release.
- Review the referenced upstream commit and ILIAS advisory for patch context.
- If upgrade is delayed, check ILIAS guidance for supported mitigations.
- Limit untrusted content editing access until affected systems are patched.
Validation and detection
- Inventory ILIAS versions across production, staging, and public portals.
- Flag any 5.1.x, 5.2.x, or 5.3.x instance below 5.3.5.
- Confirm the patched class.ilPCSourceCode.php change is present after update.
- Review logs and reports for suspicious script-injection indicators.
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-2018-11120 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://www.ilias.de/docu/goto.php?target=st_229CVE reference · x_refsource_MISC
- https://github.com/ILIAS-eLearning/ILIAS/commit/7959485406eb981976b64fee363cf950603924edCVE reference · x_refsource_MISC
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.