Reported vulnerability

SEOPress 5.0.0 - 5.0.3 - Stored Cross-Site Scripting

Published 16 Aug 2021

Updated 22 Jan 2024

CVE-2021-34641

Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.

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Wordfence advisory

medium · CVSS 6.4

The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.

Severity vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

SEOPress – AI SEO Plugin & On-site SEO

Software: plugin · wp-seopress
Affected versions: From 5.0.0, through 5.0.0; From 5.0.1, through 5.0.1; From 5.0.2, through 5.0.2; From 5.0.3, through 5.0.3
Fix availability: Fix available
Fixed versions: 5.0.4

Recommended action

Update to version 5.0.4, or a newer patched version

Further references (1)

wordfence.com/threat-intel/vulnerabilities/id/9157fa5e-3af8-48ee-bb73-3df6109aae76?source=api-prod

Data sources and licences

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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

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Source: Wordfence

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Questions about this vulnerability

Which versions of SEOPress – AI SEO Plugin & On-site SEO are affected?

Wordfence lists these affected versions: From 5.0.0, through 5.0.0; From 5.0.1, through 5.0.1; From 5.0.2, through 5.0.2; From 5.0.3, through 5.0.3. Use the version checker above to compare your installed release with this report.

Is a fix available for SEOPress – AI SEO Plugin & On-site SEO?

Wordfence reports a fix for this issue in SEOPress – AI SEO Plugin & On-site SEO. It lists these fixed versions: 5.0.4. Back up your website and test the recommended update before applying it to your live site.

Where can I find my installed plugin version?

In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.

Does an affected version mean my website has been hacked?

An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.

These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.

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