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CVE-2023-6813

CVE-2023-6813: Login by Auth0 plugin for WordPress vulnerable to Reflected Cross-Site Scripting

6.1

CVSS Score
3.1

Basic Information

CVE ID
CVE-2023-6813
GHSA ID
GHSA-x6p7-44rh-m3rr
EPSS Score
0.71807%
CWE
CWE-79
Published
7/11/2024
Updated
7/31/2024
KEV Status
No
Technology
TechnologyPHP

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
auth0/wordpresscomposer<= 4.6.04.6.1

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability stems from improper handling of the 'wle' parameter in login URL construction. The diff shows a critical change where the function stopped using $_REQUEST['wle'] and instead used a stored wle_code value. This indicates the previous implementation was vulnerable to reflected XSS through crafted 'wle' parameters, as user input was directly embedded in URLs without proper output encoding or validation.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

### Imp**t T** *ut** Wor*Pr*ss plu*in *llows sit* **ministr*tors to opt-in to *llowin* t** us* o* * `wl*` p*r*m*t*r, w*i** **n ** p*ss** to t** Wor*Pr*ss lo*in p*** *y *n* us*rs. W**n t*is p*r*m*t*r is suppli** usin* *n *xp**t** v*lu* (w*i** is r*n*o

Reasoning

T** vuln*r**ility st*ms *rom improp*r **n*lin* o* t** 'wl*' p*r*m*t*r in lo*in URL *onstru*tion. T** *i** s*ows * *riti**l ***n** w**r* t** *un*tion stopp** usin* $_R*QU*ST['wl*'] *n* inst*** us** * stor** wl*_*o** v*lu*. T*is in*i**t*s t** pr*vious