CVE-2021-39413

Multiple Cross Site Scripting (XSS) vulnerabilities exits in SEO Panel v4.8.0 via the (1) to_time...

6.1 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.84%Up 0.4 points since Nov 6, 2021

What each source reports

NVD Score used 6.1

Record: CVE-2021-39413
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-39413
Updated: 2026-11-02

EUVDEUVD-2021-25772 No score

Record: EUVD-2021-25772
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r7w6-6jpr-2hm2 No score

Multiple Cross Site Scripting (XSS) vulnerabilities exits in SEO Panel v4.8.0 via the (1) to_time...

Record: GHSA-r7w6-6jpr-2hm2
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2021-39413
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVBIT-seopanel-2021-39413 No score

Record: BIT-seopanel-2021-39413
Updated: 2026-11-02

Affected products

seopanel seo panel

Affected packages

Affected packages
Package	Affected	Fixed
`seopanel` Bitnami	4.8.0 to 4.8.0	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-39413 is a medium vulnerability (CVSS 6.1) in Seopanel Seo Panel, published November 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. No source names a fixed version.