LiveActive security incident?Get immediate response
CVE Record

CVE-2015-1347: Cross-site scripting (XSS) vulnerability in client.inc.php in osTicket before 1.9.5.1 allows remote attacke...

Cross-site scripting (XSS) vulnerability in client.inc.php in osTicket before 1.9.5.1 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2015-1347 is an osTicket cross-site scripting issue fixed in version 1.9.5.1. A remote attacker could abuse the lang parameter to inject script or HTML into a client-facing page. This could support phishing, session theft, or misleading helpdesk content if users interact with an affected deployment.

Executive priority

Prioritize remediation for public helpdesk portals because XSS can undermine customer trust and user sessions. This is not KEV-listed in the provided data, so urgency is driven by exposure, legacy status, and whether the portal is externally reachable.

Technical view

The CVE describes XSS in client.inc.php in osTicket before 1.9.5.1. The vulnerable input is the lang parameter, which could allow remote injection of web script or HTML. The provided bundle has no CVSS vector, CWE mapping, or detailed exploitability conditions beyond the CVE description and upstream fix references.

Likely exposure

Exposure is most likely in internet-facing osTicket client portals running versions earlier than 1.9.5.1. The bundle does not identify other affected products, maintained branches, hosting configurations, or compensating controls.

Exploitation context

The provided sources say remote attackers can inject arbitrary web script or HTML via lang. KEV is false, and the bundle provides no cited evidence of active exploitation. Treat active exploitation as unconfirmed unless separate threat intelligence indicates otherwise.

Researcher notes

Evidence is sparse: the bundle provides the CVE description, a release tag, and a fixing commit. No CVSS, CWE, exploit reports, or environmental prerequisites are included. Avoid expanding scope beyond osTicket before 1.9.5.1 without additional vendor evidence.

Mitigation direction

  • Upgrade affected osTicket deployments to 1.9.5.1 or later vendor-supported releases.
  • Review osTicket vendor release notes and commit reference for the official fix context.
  • Restrict public access to legacy helpdesk portals until upgrade is complete, where operationally feasible.
  • Harden session handling and user awareness for helpdesk phishing risk.

Validation and detection

  • Inventory all osTicket deployments and record exposed versions.
  • Confirm whether any deployment is older than osTicket 1.9.5.1.
  • Review web logs for suspicious lang parameter activity without reproducing payloads.
  • Verify the upstream fix is present in deployed code or package metadata.
Prepared
Confidence
medium
Sources
4

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

Potential ATT&CK relevance

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 · low confidence lookup

CVE-2015-1347 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.