Moodle up to 1.8.4 _bad_protocol_once cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Moodle. This affects the function _bad_protocol_once. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2008-1502. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Moodle (Learning Management Software) and classified as problematic. This vulnerability affects the function _bad_protocol_once. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

The _bad_protocol_once function in phpgwapi/inc/class.kses.inc.php in KSES, as used in eGroupWare before 1.4.003, Moodle before 1.8.5, and other products, allows remote attackers to bypass HTML filtering and conduct cross-site scripting (XSS) attacks via a string containing crafted URL protocols.

The weakness was disclosed 03/25/2008 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2008-1502. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 33459 (Fedora 8 : moodle-1.8.5-1.fc8 (2008-6226)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116578 (Debian Update for WordPress (DSA-1871-1)).

Upgrading to version 1.4.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (41435), Tenable (33459), SecurityFocus (BID 28424†), Secunia (SA31167†) and Vulnerability Center (SBV-18345†). The entries VDB-3689, VDB-4018, VDB-45064 and VDB-44776 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 33459
Nessus Name: Fedora 8 : moodle-1.8.5-1.fc8 (2008-6226)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 63060
OpenVAS Name: Debian Security Advisory DSA 1691-1 (moodle)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

D2Sec: Moodle <= 1.8.4 RCE

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 1.4.5

Timelineinfo

03/24/2008 🔍
03/25/2008 +0 days 🔍
03/25/2008 +0 days 🔍
03/25/2008 +0 days 🔍
03/25/2008 +0 days 🔍
05/11/2008 +47 days 🔍
07/10/2008 +60 days 🔍
03/16/2015 +2440 days 🔍
04/23/2025 +3691 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1502 (🔍)
GCVE (CVE): GCVE-0-2008-1502
GCVE (VulDB): GCVE-100-41692

OVAL: 🔍

X-Force: 41435
SecurityFocus: 28424 - RETIRED: eGroupWare '_bad_protocol_once()' HTML Security Bypass Vulnerability
Secunia: 31167
Vulnerability Center: 18345 - eGroupWare Vulnerability Allows Remote Attackers to Conduct Cross-Site Scripting (XSS) Attacks, Medium

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 04/23/2025 11:58
Changes: 03/16/2015 17:00 (64), 01/29/2018 16:08 (10), 07/31/2021 12:49 (4), 07/31/2021 12:56 (1), 03/25/2025 23:04 (17), 04/23/2025 11:58 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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