CVE-2021-39413

MEDIUM

Published Nov 5, 20214y ago · Modified Jun 17, 20262w ago

6.1 CVSS 3.1

Medium

Published Nov 5, 2021 4y ago

Last Modified Jun 17, 2026 2w ago

Description

Multiple Cross Site Scripting (XSS) vulnerabilities exits in SEO Panel v4.8.0 via the (1) to_time parameter in (a) backlinks.php, (b) analytics.php, (c) log.php, (d) overview.php, (e) pagespeed.php, (f) rank.php, (g) review.php, (h) saturationchecker.php, (i) social_media.php, and (j) reports.php; the (2) from_time parameter in (a) backlinks.php, (b) analytics.php, (c) log.php, (d) overview.php, (e) pagespeed.php, (f) rank.php, (g) review.php, (h) saturationchecker.php, (i) social_media.php, (j) webmaster-tools.php, and (k) reports.php; the (3) order_col parameter in (a) analytics.php, (b) review.php, (c) social_media.php, and (d) webmaster-tools.php; and the (4) pageno parameter in (a) alerts.php, (b) log.php, (c) keywords.php, (d) proxy.php, (e) searchengine.php, and (f) siteauditor.php.

CVSS Details

Base Score

6.1

Exploitability

2.8

Impact

2.7

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

Vendor	Product	Version	Range
seopanel	seo_panel	4.8.0	any

References 1

sisl.lab.uic.edu https://sisl.lab.uic.edu/projects/chess/seo-panel/

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.