CVE-2020-10803Network attack vector

Stored XSS via unsigned where_clause query

Published Mar 22, 2020 · Updated Aug 4, 2024

SQL injection in phpMyAdmin 3.4 through 4.9.4 and 5.0.0 through 5.0.1 allows remote authenticated users to trigger stored XSS. Results.php placed an unsigned where_clause in links to tbl_get_field.php, which accepted it for a SELECT statement without verifying its origin. The attacker must first insert crafted data into a database table and then induce another authenticated user to retrieve it through a result view such as Browse.

CVSS severity5.4
Medium
EPSS probability1.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in phpMyAdmin 3.4 through 4.9.4 and 5.0.0 through 5.0.1 allows remote authenticated users to trigger stored XSS. Results.php placed an unsigned where_clause in links to tbl_get_field.php, which accepted it for a SELECT statement without verifying its origin. The attacker must first insert crafted data into a database table and then induce another authenticated user to retrieve it through a result view such as Browse.

The record

CVE
CVE-2020-10803
Published
Mar 22, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 22, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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