Vulnerability CVE-2021-34641
Published: 2021-08-16

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Seopress -> Seopress 

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