CVE-2021-39413
Published: 05 November 2021
Summary
CVE-2021-39413 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Seopanel Seo Panel. Its CVSS base score is 6.1 (Medium).
Operationally, ranked at the 45.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-25772
Vulnerability details
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)…
more
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.