all-in-one-schemaorg-rich-snippets Plugin up to 1.4.x on WordPress Settings Page cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in all-in-one-schemaorg-rich-snippets Plugin up to 1.4.x on WordPress and classified as problematic. The impacted element is an unknown function of the component Settings Page. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2018-20977. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in all-in-one-schemaorg-rich-snippets Plugin up to 1.4.x on WordPress (WordPress Plugin) and classified as problematic. Affected by this vulnerability is an unknown part of the component Settings Page. 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:

The all-in-one-schemaorg-rich-snippets plugin before 1.5.0 for WordPress has XSS on the settings page.

The weakness was released 08/21/2019. This vulnerability is known as CVE-2018-20977 since 08/20/2019. 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. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.5.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: all-in-one-schemaorg-rich-snippets Plugin 1.5.0

Timelineinfo

08/20/2019 🔍
08/21/2019 +1 days 🔍
08/22/2019 +1 days 🔍
06/27/2025 +2136 days 🔍

Sourcesinfo

Advisory: wordpress.org
Status: Confirmed

CVE: CVE-2018-20977 (🔍)
GCVE (CVE): GCVE-0-2018-20977
GCVE (VulDB): GCVE-100-140521

Entryinfo

Created: 08/22/2019 09:14
Updated: 06/27/2025 19:55
Changes: 08/22/2019 09:14 (37), 08/02/2020 12:09 (18), 11/28/2023 09:33 (4), 06/27/2025 19:55 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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