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CVE-2015-5660· NVD / CVE Program· CNA jpcert

Cross-site request forgery (CSRF) vulnerability in eXtplorer before 2.1.8 allows remote attackers to hijack the authentication of arbitrary

Cross-site request forgery (CSRF) vulnerability in eXtplorer before 2.1.8 allows remote attackers to hijack the authentication of arbitrary users for requests that execute PHP code.

MediumCVSS 6.8 · v2.0—No exploit Fix available

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Published
Oct 15, 2015
Updated
Jun 16, 2026
EPSS
1.0% · 62th percentile
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Report tools

JSON

Action score

27

Monitor

Low priority for now.

CVSS
27 / 40 · 6.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

Affected systems

VendorProduct
extplorerextplorer

Affected versions

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

  • extplorer extplorerup to 2.1.7 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:7extplorerbefore 2.1.0b6+dfsg.3-4+deb7u32.1.0b6+dfsg.3-4+deb7u3

Same product

extplorer: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-6710ext_find_user in eXtplorer through 2.1.2 allows remote attackers to bypass authentication via a password[]= (aka an empty array) in an actio
    46Plan
  • CVE-2019-7305eXtplorer exposes /usr and /etc/extplorer over HTTP
    40Plan
  • CVE-2023-54335eXtplorer<= 2.1.14 - Authentication Bypass & Remote Code Execution (RCE)
    39Monitor
  • CVE-2019-25098soerennb eXtplorer Archive archive.php path traversal
    39Monitor
  • CVE-2019-25097soerennb eXtplorer Directory Content path traversal
    39Monitor
  • CVE-2023-27842Insecure Permissions vulnerability found in Extplorer File manager eXtplorer v.2.1.15 allows a remote attacker to execute arbitrary code via
    36Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
debian:extplorer2.1.0b6+dfsg.3-4+deb7u3 · Debian:7Package registry (OSV)

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

    If successful

    Confidentiality
    P · data can be read
    Integrity
    P · data or configuration can be modified
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    P
    Integrity impact
    P
    Availability impact
    P

    Weakness class (CWE)

    CWE-352 · Cross-Site Request Forgery (CSRF)

    CVSS vector

    AV:N/AC:M/Au:N/C:P/I:P/A:P

    nvd-primary

    Root cause

    State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.

    The bug in code

    The whole CWE-352 class

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

    Vulnerable

    ts
    app.use(session({ cookie: { httpOnly: true } }));app.post("/account/address", updateAddress);

    Fixed

    ts
    app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));app.post("/account/address", csrfProtection, updateAddress);

    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

    —

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records