Nextend Facebook Connect prior 1.5.0 nextend-facebook-settings.php fb_login_button cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.9 | $0-$5k | 0.00 |
A vulnerability was found in Nextend Facebook Connect (Social Network Software). It has been rated as problematic. This issue affects an unknown part of the file nextend-facebook-settings.php. The manipulation of the argument fb_login_button
with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:
Cross-site scripting (XSS) vulnerability in nextend-facebook-settings.php in the Nextend Facebook Connect plugin before 1.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the fb_login_button parameter in a newfb_update_options action.
The weakness was disclosed 12/05/2014 (Website). The advisory is shared at wordpress.org. The identification of this vulnerability is CVE-2014-8800 since 11/13/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
A public exploit has been developed by Kacper Szurek and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:nextend-facebook-settings.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 1.5.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (35439). The entry 76077 is pretty similar.
Product
Type
Vendor
Name
License
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Kacper Szurek
Download: 🔍
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Facebook Connect 1.5.0
Timeline
11/13/2014 🔍12/02/2014 🔍
12/02/2014 🔍
12/05/2014 🔍
12/05/2014 🔍
03/27/2015 🔍
04/10/2018 🔍
Sources
Advisory: wordpress.orgStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2014-8800 (🔍)
OSVDB: 115231
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/27/2015 14:56Updated: 04/10/2018 11:16
Changes: 03/27/2015 14:56 (47), 04/10/2018 11:16 (13)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.