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CVE Record

CVE-2011-5255: Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remo...

Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO, (2) username, or (3) password parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

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..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2011-5255 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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