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CVE-2014-8996· NVD / CVE Program· CNA mitre

Multiple cross-site scripting (XSS) vulnerabilities in Nibbleblog before 4.0.2 allow remote attackers to inject arbitrary web script or HTML

Multiple cross-site scripting (XSS) vulnerabilities in Nibbleblog before 4.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) author_name or (2) content parameter to index.php.

MediumCVSS 4.3 · v2.0—No exploit No fix recorded

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Published
Nov 20, 2014
Updated
Jun 16, 2026
EPSS
1.9% · 78th percentile
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Report tools

JSON

Action score

18

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.9%

Affected systems

VendorProduct
nibbleblognibbleblog

Affected versions

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

  • nibbleblog nibbleblogup to 4.0.1 inclusive

Same product

nibbleblog: all records

Other highest-scoring records for the same primary product.

  • CVE-2015-6967Unrestricted file upload vulnerability in the My Image plugin in Nibbleblog before 4.0.5 allows remote administrators to execute arbitrary c
    41Plan
  • CVE-2019-7719Nibbleblog 4.0.5 allows eval injection by placing PHP code in the install.php username parameter and then making a content/private/shadow.ph
    40Plan
  • CVE-2020-23356dmin/kernel/api/login.class.phpin in nibbleblog v3.7.1c allows type juggling for login bypass because == is used instead of === for password
    30Monitor
  • CVE-2018-16604An issue was discovered in Nibbleblog v4.0.5.
    28Monitor
  • CVE-2015-6966Multiple cross-site request forgery (CSRF) vulnerabilities in Nibbleblog before 4.0.5 allow remote attackers to hijack the authentication of
    27Monitor
  • CVE-2018-6470Nibbleblog 4.0.5 on macOS defaults to having .DS_Store in each directory, causing DS_Store information to leak.
    21Monitor

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

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    CVSS vector

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

    nvd-primary

    Root cause

    User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

    The bug in code

    The whole CWE-79 class

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

    Vulnerable

    ts
    commentEl.innerHTML = comment.body;

    Fixed

    ts
    commentEl.textContent = comment.body;

    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

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

    References

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

    All records