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CVE-2012-4037· NVD / CVE Program· CNA mitre

Multiple cross-site scripting (XSS) vulnerabilities in the web client in Transmission before 2.61 allow remote attackers to inject arbitrary

Multiple cross-site scripting (XSS) vulnerabilities in the web client in Transmission before 2.61 allow remote attackers to inject arbitrary web script or HTML via the (1) comment, (2) created by, or (3) name field in a torrent file.

LowCVSS 2.6 · v2.0—No exploit Fix available
Published
Aug 15, 2012
Updated
Jun 16, 2026
EPSS
1.4% · 72th percentile
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Report tools

JSON

Action score

10

Monitor

Low priority for now.

CVSS
10 / 40 · 2.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.4%

Affected systems

VendorProduct
transmissionbttransmission

Affected versions

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

  • transmissionbt transmissionup to 2.60 inclusive
  • transmissionbt transmission0.1
  • transmissionbt transmission0.2
  • transmissionbt transmission0.3
  • transmissionbt transmission0.4
  • transmissionbt transmission0.5
  • transmissionbt transmission0.6
  • transmissionbt transmission0.6.1
  • transmissionbt transmission0.70
  • transmissionbt transmission0.71
  • transmissionbt transmission0.72
  • transmissionbt transmission0.80
  • transmissionbt transmission0.81
  • transmissionbt transmission0.82
  • transmissionbt transmission0.90
  • transmissionbt transmission0.91
  • transmissionbt transmission0.92
  • transmissionbt transmission0.93
  • transmissionbt transmission0.94
  • transmissionbt transmission0.95

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12transmissionbefore 2.52-32.52-3

Same product

transmissionbt: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-0748Transmission before 1.92 allows an attacker to cause a denial of service (crash) or possibly have other unspecified impact via a large numbe
    40Plan
  • CVE-2018-5702Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows r
    39Monitor
  • CVE-2010-0012Directory traversal vulnerability in libtransmission/metainfo.c in Transmission 1.22, 1.34, 1.75, and 1.76 allows remote attackers to overwr
    36Monitor
  • CVE-2018-10756Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or poss
    32Monitor
  • CVE-2012-6129Stack-based buffer overflow in utp.cpp in libutp, as used in Transmission before 2.74 and possibly other products, allows remote attackers t
    32Monitor
  • CVE-2010-1853Multiple stack-based buffer overflows in the tr_magnetParse function in libtransmission/magnet.c in Transmission 1.91 allow remote attackers
    28Monitor

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:transmission2.52-3 · Debian:12Package 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

  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
High
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:H/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

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

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