CVE-2021-34641

Public Exploit
SEOPress <= 5.0.0 – 5.0.3 Authenticated Stored Cross-Site Scripting

Description

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.

Remediation

Solution:

  • Update plugin to version 5.0.4 or newer.

Category

6.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Third-Party Advisory wordpress.org Third-Party Advisory wordfence.com
Affected: SEOPress SEOPress
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/blog/2021/08/xss-vulnerability-patched-in-seopress-affects-100000-sites/ third party advisory exploit
https://plugins.trac.wordpress.org/browser/wp-seopress/tags/5.0.4/src/Actions/Api/TitleDescriptionMeta.php#L78 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-34641?
CVE-2021-34641 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34641?
To fix CVE-2021-34641: Update plugin to version 5.0.4 or newer.
Is CVE-2021-34641 being actively exploited in the wild?
It is possible that CVE-2021-34641 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34641?
CVE-2021-34641 affects SEOPress SEOPress.
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