CVE-2020-10408 — The way URIs are handled in admin/header

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/edit-subscriber.php by adding a question mark (?) followed by the payload.

01What is this vulnerability?

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/edit-subscriber.php by adding a question mark (?) followed by the payload.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-03-12T13:04:08.000Z
• Last modified: 2024-08-04T10:58:40.702Z

09References

• antoniocannito.it — http://antoniocannito.it/?p=137#uxss
• antoniocannito.it — https://antoniocannito.it/phpkb1#reflected-cross-site-scripting-in-every-admin-p…