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CVE-2013-6674· NVD / CVE Program· CNA mozilla

Cross-site scripting (XSS) vulnerability in Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey bef

Cross-site scripting (XSS) vulnerability in Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey before 2.20 allows user-assisted remote attackers to inject arbitrary web script or HTML via an e-mail message containing a data: URL in an IFRAME element, a related issue to CVE-2014-2018.

MediumCVSS 4.3 · v2.0—Proof of concept Fix available

Noroxi analysis

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Published
Feb 17, 2014
Updated
Jun 16, 2026
EPSS
7.7% · 94th percentile
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Report tools

JSON

Action score

19

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 7.7%

Affected systems

VendorProduct
mozillaseamonkey
mozillathunderbird
mozillathunderbird esr

Affected versions

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

  • mozilla seamonkeyall versions
  • mozilla seamonkeyup to 2.20 inclusive
  • mozilla seamonkey1.0
  • mozilla seamonkey1.0.1
  • mozilla seamonkey1.0.2
  • mozilla seamonkey1.0.3
  • mozilla seamonkey1.0.4
  • mozilla seamonkey1.0.5
  • mozilla seamonkey1.0.6
  • mozilla seamonkey1.0.7
  • mozilla seamonkey1.0.8
  • mozilla seamonkey1.0.9
  • mozilla seamonkey1.1
  • mozilla seamonkey1.1.1
  • mozilla seamonkey1.1.10
  • mozilla seamonkey1.1.11
  • mozilla seamonkey1.1.12
  • mozilla seamonkey1.1.13
  • mozilla seamonkey1.1.14
  • mozilla seamonkey1.1.15

Package-level exposure

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

EcosystemPackageAffected rangeFix
Red Hat:enterprise_linux:5::clientthunderbirdbefore 0:24.2.0-2.el5_100:24.2.0-2.el5_10
Red Hat:enterprise_linux:5::clientthunderbird-debuginfobefore 0:24.2.0-2.el5_100:24.2.0-2.el5_10
Red Hat:enterprise_linux:6::clientthunderbirdbefore 0:24.2.0-1.el6_50:24.2.0-1.el6_5
Red Hat:enterprise_linux:6::clientthunderbird-debuginfobefore 0:24.2.0-1.el6_50:24.2.0-1.el6_5

Same product

mozilla: all records

Other highest-scoring records for the same primary product.

  • CVE-2011-2371Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaM
    63This week
  • CVE-2013-1710The crypto.generateCRMFRequest function in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbi
    52Plan
  • CVE-2013-5601Use-after-free vulnerability in the nsEventListenerManager::SetEventHandler function in Mozilla Firefox before 25.0, Firefox ESR 17.x before
    42Plan
  • CVE-2013-5590Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 2
    42Plan
  • CVE-2013-1736The nsGfxScrollFrameInner::IsLTR function in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbi
    42Plan
  • CVE-2013-1702Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 23.0 and SeaMonkey before 2.20 allow remote attackers t
    42Plan

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
red hat:thunderbird0:24.2.0-2.el5_10 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)
red hat:thunderbird-debuginfo0:24.2.0-2.el5_10 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrydos2014-01-27

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.

  1. First PoC-22 d
  2. Published
  3. TodaySep 30, 2026+4608 d
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

    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