CVE-2014-2023: Multiple SQL injection vulnerabilities in the Tapatalk plugin 4.9.0 and earlier and 5.x through 5.2.1 for vBul

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2014-2023 is a critical-severity flaw (CVSS 9.8) affecting tapatalk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in the Tapatalk plugin 4.9.0 and earlier and 5.x through 5.2.1 for vBulletin allow remote attackers to execute arbitrary SQL commands via a crafted xmlrpc API request to (1) unsubscribe_forum.php or (2) unsubscribe_topic.php in mobiquo/functions/.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-10-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tapatalk

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-10-26 20:29 UTCPublished CVE record published
2026-06-17 00:05 UTCUpdated Record last modified

tapatalk tapatalk DOWNGRADE

Affected: 1.0.0 · 1.0.1 · 1.0.2 · 1.1.0 · 1.1.1 · 1.1.2 · 1.2.0 · 1.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy tapatalk || rpm -q tapatalk || tapatalk --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison tapatalk sudo apt install tapatalk=<VERSION_BEFORE_1.0.0> sudo apt-mark hold tapatalk

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tapatalk sudo dnf downgrade tapatalk-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add tapatalk

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Tapatalk for vBulletin 4.x - Blind SQL Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-2023?

tapatalk: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-2023 being exploited?

CVE-2014-2023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-2023 affect?

CVE-2014-2023 affects tapatalk. Severity is critical (CVSS 9.8). Multiple SQL injection vulnerabilities in the Tapatalk plugin 4.9.0 and earlier and 5.x through 5.2.1 for vBulletin allow remote attackers to execute arbitrary SQL commands via a crafted xmlrpc API request to (1) unsubscribe_forum.php or (2

How urgent is CVE-2014-2023?

Priority 67/100. Critical severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-14652 CRITICAL 9.8 UPGRADE SQL Injection vulnerability in mobiquo/lib/classTTForum.php in the Tapatalk plugin before 4.5.8 for MyBB allow
CVE-2014-8870 MEDIUM 5.8 DOWNGRADE Open redirect vulnerability in mobiquo/smartbanner/welcome.php in the Tapatalk (com.tapatalk.wbb4) plugin befo
CVE-2014-8869 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in mobiquo/smartbanner/welcome.php in the Tapatalk (com.ta
CVE-2014-5680 MEDIUM 5.4 DOWNGRADE The Tapatalk (aka com.quoord.tapatalkpro.activity) application 4.8.0 for Android does not verify X.509 certifi

References

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