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TI-2021-16756 Aliases CVE-2021-39413GHSA-r7w6-6jpr-2hm2

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

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00837 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:seopanel:seo_panel:4.8.0:*:*:*:*:*:*:*4.8.0VulnerableSEO Panel
  • cpe:2.3:a:seopanel:seo_panel:4.8.0:*:*:*:*:*:*:* Versions 4.8.0 Vulnerable ·SEO Panel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39413
  2. 2026-10-03 Alias added: GHSA-r7w6-6jpr-2hm2

References

Exploit 1

  • TI-2025-21084 An issue in Seo Panel 4.11.0 allows a remote attacker to obtain sensitive information via the Proxy Manager component. CVSS 3.1HIGH 7.6
  • TI-2025-21083 An issue in Seo Panel 4.11.0 allows a remote attacker to obtain sensitive information via the Mail Setting component. CVSS 3.1HIGH 7.6
  • TI-2024-15095 An user enumeration vulnerability was found in SEO Panel 4.10.0. CVSS 3.1MEDIUM 5.3
  • TI-2021-09542 The "order_col" parameter in archive.php of SEO Panel 4.8.0 is vulnerable to time-based… CVSS 3.1HIGH 7.2
  • TI-2021-13276 SQL Injection vulnerability in SEO Panel 4.9.0 in api/user.api.php in function… CVSS 3.1HIGH 7.5
  • TI-2017-07940 SQL injection in SEO Panel CVSS 3.0HIGH 8.8
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences