CVE-2020-20982

Cross Site Scripting (XSS) vulnerability in shadoweb wdja v1.5.1, allows attackers to execute arbitrary code and gain escalated privileges, via the backurl parameter to /php/passport/index.php.

Published: 2021-11-03 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-20982 is rated High Risk (77.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 31.95%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.78% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-20982

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-07 26.17% 31.95% +5.78%
2 2026-05-04 31.95% 26.17% -5.78%
3 2026-03-04 — 31.95% —

Full EPSS history (66 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-20982

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.6 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 6.0 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2020-20982

Affected software / configurations for CVE-2020-20982

Vendor Product Version Raw CPE
wdja wdja_cms 1.5.1 cpe:2.3:a:wdja:wdja_cms:1.5.1:*:*:*:*:*:*:*

References for CVE-2020-20982

URL Tags
https://github.com/shadoweb/wdja/issues/1 Issue Tracking Third Party Advisory
cvelogic Threat Intelligence