VDB-77557 · CVE-2015-4552 · SBV-54421

MyBB up to 1.8.4 Quick Edit xmlhttp.php edit content cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in MyBB up to 1.8.4. The impacted element is the function Edit of the file xmlhttp.php of the component Quick Edit Handler. This manipulation of the argument content causes cross site scripting. This vulnerability is tracked as CVE-2015-4552. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in MyBB up to 1.8.4 (Content Management System) and classified as problematic. Affected by this vulnerability is the function edit of the file xmlhttp.php of the component Quick Edit Handler. The manipulation of the argument content 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. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the quick edit function in xmlhttp.php in MyBB (aka MyBulletinBoard) before 1.8.5 allows remote attackers to inject arbitrary web script or HTML via the content of a post.

The weakness was disclosed 09/03/2015 (Website). The advisory is shared at blog.mybb.com. This vulnerability is known as CVE-2015-4552 since 06/14/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:xmlhttp.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11523 (MyBB xmlhttp.php Cross-Site Scripting Vulnerability).

Upgrading to version 1.8.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-54421†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MyBB 1.8.5

Timelineinfo

06/14/2015 🔍
09/03/2015 +81 days 🔍
09/03/2015 +0 days 🔍
09/03/2015 +0 days 🔍
09/04/2015 +1 days 🔍
11/16/2015 +73 days 🔍
11/24/2024 +3296 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: blog.mybb.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4552 (🔍)
GCVE (CVE): GCVE-0-2015-4552
GCVE (VulDB): GCVE-100-77557
SecurityTracker: 1033471
Vulnerability Center: 54421 - MyBB before 1.8.5 Remote XSS in the Quick Edit Function in xmlhttp.php, Medium

Entryinfo

Created: 09/04/2015 10:21
Updated: 11/24/2024 06:34
Changes: 09/04/2015 10:21 (50), 04/12/2018 17:21 (8), 06/14/2022 09:02 (3), 11/24/2024 06:34 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!