What is CVE-2020-10476?

CVE-2020-10476 is a medium-severity vulnerability in Chadhaajay Phpkb, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-03-12.

How severe is CVE-2020-10476?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2020-10476 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Chadhaajay Phpkb

CVE-2020-10476

Reflected XSS in admin/manage-glossary.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to inject arbitrary web script or HTML via the GET parameter sort.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Chadhaajay Phpkb — versions 9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-10476

References

antoniocannito.it/ (Exploit, Third Party Advisory)
antoniocannito.it/phpkb2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-10476?: CVE-2020-10476 is a medium-severity vulnerability in Chadhaajay Phpkb, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-03-12.
How severe is CVE-2020-10476?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2020-10476 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.