CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.9 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in WordPress up to 4.8.1 (Content Management System). Affected by this vulnerability is an unknown part of the component TinyMCE. 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. The summary by CVE is:
Before version 4.8.2, WordPress was vulnerable to a cross-site scripting attack via shortcodes in the TinyMCE visual editor.
The bug was discovered 09/19/2017. The weakness was disclosed 09/23/2017 by Security Team (Alex) with WordPress Security Team (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-14726 since 09/23/2017. 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. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103793 (Debian DSA-3997-1 : wordpress - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176177 (Debian Security Update for wordpress (DSA 3997-1)).
Upgrading to version 4.8.2 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (103793).
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
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
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 103793
Nessus Name: Debian DSA-3997-1 : wordpress - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3997-1 (wordpress - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: WordPress 4.8.2
Timeline
09/19/2017 🔍09/19/2017 🔍
09/23/2017 🔍
09/23/2017 🔍
09/23/2017 🔍
09/24/2017 🔍
10/10/2017 🔍
10/11/2017 🔍
10/12/2017 🔍
01/14/2021 🔍
Sources
Product: wordpress.comAdvisory: 41395⛔
Researcher: Security Team (Alex)
Organization: WordPress Security Team
Status: Confirmed
CVE: CVE-2017-14726 (🔍)
OVAL: 🔍
SecurityTracker: 1039553
SecurityFocus: 100912 - WordPress Prior to 4.8.2 Multiple Input Validation Security Vulnerabilities
Entry
Created: 09/24/2017 09:48Updated: 01/14/2021 08:55
Changes: 09/24/2017 09:48 (86), 06/07/2020 20:21 (2), 01/14/2021 08:55 (2)
Complete: 🔍
Cache ID: 3:86B:103
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