Security readout for executives and security teams
This is a web admin login XSS issue in X3 CMS 0.4.3.1 and earlier. An attacker could inject script or HTML through login-related inputs. Business impact is mainly session theft, admin impersonation, or phishing if the CMS is exposed and users interact with crafted content. Exposure is likely limited to organizations still running legacy X3 CMS 0.4.3.1 or earlier, especially where admin/login is reachable from untrusted networks. The bundled affected-product metadata is incomplete, so confirmation requires local inventory and version checks. Treat as a targeted legacy-CMS risk rather than an internet-wide emergency. Prioritize if X3 CMS is exposed, handles privileged sessions, or supports business-critical content. If no X3 CMS remains in use, document non-exposure and close. Mitigation focus: Identify any deployed X3 CMS instances and confirm exact version.; Check X3 CMS vendor advisories and referenced revisions for supported fixes.; Upgrade or patch only according to verified 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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2011-5255 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
- x3cms-login-xss(72279)CVE reference · vdb-entry, x_refsource_XF
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.
