CVE-2021-34641

FAUCET Score

CVE-2021-34641 describes a Stored Cross-Site Scripting (XSS) vulnerability in the SEOPress WordPress plugin, affecting versions 5.0.0 through 5.0.3. This medium-severity vulnerability (CVSS 5.4) allows authenticated attackers to inject malicious web scripts through the 'processPut' function, potentially leading to client-side compromise. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.0.0, < 5.0.4CPE matchmatch criteria	cpe:2.3:a:seopress:seopress::::::wordpress::*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.1

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.65%

Probability of exploitation in next 30 days

EPSS Percentile

47.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0065 is in the 80th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/wp-seopress/tags/5.0.4/src/Actions/Api/TitleDescriptionMeta.php

ExploitThird Party Advisory

wordfence.com / blog/2021/08/xss-vulnerability-patched-in-seopress-affects-100000-sites

ExploitThird Party Advisory