PT-2021-20610 · WordPress · Seopress

Chloe Chamberland · Published 2021-08-16 · Updated 2021-08-23 · CVE-2021-34641

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: SEOPress WordPress plugin versions 5.0.0 through 5.0.3

Description: The issue allows authenticated attackers to inject arbitrary web scripts via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file. This enables Stored Cross-Site-Scripting attacks.

Recommendations: For versions 5.0.0 through 5.0.3, as a temporary workaround, consider disabling the processPut function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-34641

Affected Products

Seopress

References · 7

• 🔥 https://plugins.trac.wordpress.org/browser/wp-seopress/tags/5.0.4/src/Actions/Api/TitleDescriptionMeta.php#L78 · Exploit
• 🔥 https://wordfence.com/blog/2021/08/xss-vulnerability-patched-in-seopress-affects-100000-sites · Exploit
• https://osv.dev/vulnerability/CVE-2021-34641 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34641 · Security Note
• https://t.me/cvenotify/19938 · Telegram Post
• https://t.me/cvenotify/19465 · Telegram Post
• https://t.me/cibsecurity/27403 · Telegram Post