CVE-2014-1840

4.3 MEDIUM 1.0% exploit odds No fix listed

What it is

Cross-site scripting (XSS) vulnerability in Upload/search.php in MyBB 1.6.12 and earlier allows remote attackers to inject arbitrary web script or HTML via the keywords parameter in a do_search action, which is not properly handled in a forced SQL error message.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 1.0% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2014-03-03 16:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.0% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2014-03-03 16:55 UTC
Last modified: 2026-06-17 00:05 UTC
Exploit probability: 1.0% · EPSS, next 30 days
Weakness: CWE-79 · Cross-site scripting
Record status: Modified

Affected

Mybb ≤ 1.6.12
Mybb 1.6.0
Mybb 1.6.1
Mybb 1.6.2
Mybb 1.6.3
Mybb 1.6.4
Mybb 1.6.5
Mybb 1.6.6

Attack profile CVSS 2.0 · 4.3

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Raw vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-1840.md and follow it. Check whether this project is affected by CVE-2014-1840. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record