CVE-2012-3414

SWFUpload <= 2.2.0.1 - Cross-Site Scripting

2012-11-09 20:12

Strategic Overview

Status: Patched in 1.9.7
Affected Plugin: Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery
Affected Version: <= 1.9.6
CVSS: 6.1Medium
Weakness type: CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE: CVE-2012-3414

View all Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery vulnerabilities

At a glance

CVE-2012-3414 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Photo Gallery, Sliders, Proofing and Themes WordPress plugin, affecting versions <= 1.9.6. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.9.7; sites on affected versions should update now. Disclosed November 2012, reported by Neal Poole.

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in swfupload.swf in SWFUpload 2.2.0.1 and earlier, as used in WordPress before 3.3.2, TinyMCE Image Manager 1.1, and other products, allows remote attackers to inject arbitrary web script or HTML via the movieName parameter, related to the "ExternalInterface.call" function.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.

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

Reaching this weakness in Photo Gallery, Sliders, Proofing and Themes <= 1.9.6 takes a caller who can reach the endpoint. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For Photo Gallery, Sliders, Proofing and Themes the fix is 1.9.7: builds <= 1.9.6 are affected, anything from 1.9.7 onward is not.

Remediation

Update to version 1.9.7, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Photo Gallery, Sliders, Proofing and Themes: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Photo Gallery, Sliders, Proofing and Themes 1.9.7 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2012-3414 https://www.wordfence.com/threat-intel/vulnerabilities/id/d311aab4-fca8-4e83-83cf-c4b8350d7dd1 https://nvd.nist.gov/vuln/detail/CVE-2012-3414

Related records

Same weakness class

Other vulnerabilities in Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery

CVSS Vector

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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