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Vulnerability record · CVE-2020-13873 · published 12 May 2021

CVE-2020-13873: Codologic codoforum sql injection vulnerability

Codologic · Codoforum

A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote attackers (pre-authentication) to bypass the admin page via a leaked password-reset token of the admin. (As an admin, an attacker can upload a PHP shell and execute remote code on the operating system.)

9.8 CVSS 3.1 Critical EPSS 4.9% · top 8.2% CWE-89 · SQL injection
9.8CVSS 3.1 base score, v2 10.0
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote attackers (pre-authentication) to bypass the admin page via a leaked password-reset token of the admin. (As an admin, an attacker can upload a PHP shell and execute remote code on the operating system.)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://codologic.com/forum/ Vendor Advisory
https://blog.sonarsource.com/codoforum-4.8.7-critical-code-vulnerabilities-explained ExploitThird Party Advisory
https://community.sonarsource.com/c/announce/stories/23 Third Party Advisory
https://community.sonarsource.com/t/codoforum-4-8-7-critical-code-vulnerabilities-explained/28297 ExploitThird Party Advisory
https://github.com/SmashITs Third Party Advisory
https://twitter.com/sonarsource/status/1300818196090384384 ExploitThird Party Advisory
http://codologic.com/forum/ Vendor Advisory
https://blog.sonarsource.com/codoforum-4.8.7-critical-code-vulnerabilities-explained ExploitThird Party Advisory
https://community.sonarsource.com/c/announce/stories/23 Third Party Advisory
https://community.sonarsource.com/t/codoforum-4-8-7-critical-code-vulnerabilities-explained/28297 ExploitThird Party Advisory
https://github.com/SmashITs Third Party Advisory
https://twitter.com/sonarsource/status/1300818196090384384 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.2CVE-2020-22539Codologic codoforum unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in the Add Category function of Codoforum v4.9 allows attackers to execute arbitrary code via uploading a craf…EPSS 0.86%7.2CVE-2022-31854Codologic codoforum unrestricted file upload vulnerabilityCodoforum v5.1 was discovered to contain an arbitrary file upload vulnerability via the logo change option in the admin panel.EPSS 32%6.1CVE-2020-7051Codologic codoforum cross-site scripting vulnerabilityCodologic Codoforum through 4.8.4 allows stored XSS in the login area. This is relevant in conjunction with CVE-2020-5842 because session cookies lac…EPSS 0.76%6.1CVE-2020-5842Codologic codoforum cross-site scripting vulnerabilityCodoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, …EPSS 1.8%5.4CVE-2020-22540Codologic codoforum cross-site scripting vulnerabilityStored Cross-Site Scripting (XSS) vulnerability in Codoforum v4.9, allows attackers to execute arbitrary code and obtain sensitive information via cr…EPSS 0.43%5.4CVE-2020-25875Codologic codoforum cross-site scripting vulnerabilityA stored cross site scripting (XSS) vulnerability in the 'Smileys' feature of Codoforum v5.0.2 allows authenticated attackers to execute arbitrary we…EPSS 0.51%5.4CVE-2020-25876Codologic codoforum cross-site scripting vulnerabilityA stored cross site scripting (XSS) vulnerability in the 'Pages' feature of Codoforum v5.0.2 allows authenticated attackers to execute arbitrary web …EPSS 0.45%5.4CVE-2020-25879Codologic codoforum cross-site scripting vulnerabilityA stored cross site scripting (XSS) vulnerability in the 'Manage Users' feature of Codoforum v5.0.2 allows authenticated attackers to execute arbitra…EPSS 0.45%

Source: NIST National Vulnerability Database (record CVE-2020-13873), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.