Activity Log Plugin up to 2.4.0 on WordPress Title cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Activity Log Plugin up to 2.4.0 on WordPress. It has been declared as problematic. Impacted is an unknown function. Such manipulation of the argument Title leads to cross site scripting. This vulnerability is referenced as CVE-2018-8729. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Activity Log Plugin up to 2.4.0 on WordPress (WordPress Plugin). Affected by this issue is some unknown processing. The manipulation of the argument title 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. CVE summarizes:

Multiple cross-site scripting (XSS) vulnerabilities in the Activity Log plugin before 2.4.1 for WordPress allow remote attackers to inject arbitrary JavaScript or HTML via a title that is not escaped.

The bug was discovered 03/08/2018. The weakness was published 03/15/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-8729 since 03/15/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

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 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.4.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44409). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

WordPress Plugin

Name

Activity Log Plugin

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Activity Log Plugin 2.4.1
Patch: github.com

Timelineinfo

03/08/2018 🔍
03/15/2018 +7 days 🔍
03/15/2018 +0 days 🔍
03/15/2018 +0 days 🔍
03/16/2018 +1 days 🔍
08/09/2025 +2703 days 🔍

Sourcesinfo

Advisory: 1836276
Status: Confirmed

CVE: CVE-2018-8729 (🔍)
GCVE (CVE): GCVE-0-2018-8729
GCVE (VulDB): GCVE-100-114680
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/16/2018 08:08
Updated: 08/09/2025 22:26
Changes: 03/16/2018 08:08 (60), 01/14/2020 11:20 (4), 02/05/2021 11:25 (2), 02/22/2023 08:46 (3), 08/09/2025 22:26 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.