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CVE-2018-9850· NVD / CVE Program· CNA mitre

In Gxlcms QY v1.0.0713, Lib\Lib\Action\Admin\DataAction.class.php allows remote attackers to delete any file via directory traversal sequenc

In Gxlcms QY v1.0.0713, Lib\Lib\Action\Admin\DataAction.class.php allows remote attackers to delete any file via directory traversal sequences in the id parameter of an Admin-Data-del request.

HighCVSS 7.5 · v3.0—No exploit No fix recorded
Published
Apr 7, 2018
Updated
Jun 16, 2026
EPSS
1.8% · 78th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.8%

Affected systems

VendorProduct
gxlcmsgxlcms qy

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • gxlcms gxlcms qy1.0.0713

Same product

gxlcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-9848In Gxlcms QY v1.0.0713, the upload function in Lib\Lib\Action\Admin\UploadAction.class.php allows remote attackers to execute arbitrary PHP
    40Plan
  • CVE-2018-9852In Gxlcms QY v1.0.0713, Lib\Lib\Action\Home\HitsAction.class.php allows remote attackers to read data from a database by embedding a FROM cl
    39Monitor
  • CVE-2018-9847In Gxlcms QY v1.0.0713, the update function in Lib\Lib\Action\Admin\TplAction.class.php allows remote attackers to execute arbitrary PHP cod
    39Monitor
  • CVE-2018-9247The upsql function in \Lib\Lib\Action\Admin\DataAction.class.php in Gxlcms QY v1.0.0713 allows remote attackers to execute arbitrary SQL sta
    39Monitor
  • CVE-2018-9851In Gxlcms QY v1.0.0713, Lib\Lib\Action\Admin\TplAction.class.php allows remote attackers to read any file via a modified pathname in an Admi
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-primary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const file = path.join(ROOT, req.query.name);res.sendFile(file);

Fixed

ts
const file = path.resolve(ROOT, req.query.name);if (!file.startsWith(ROOT + path.sep)) {  return res.sendStatus(400);}res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

All records