CVE-2014-10021: Unrestricted file upload vulnerability in UploadHandler.php in the WP Symposium plugin 14.11 for WordPress all

This week

HIGH 7.5DOWNGRADE

CVE-2014-10021 is a high-severity flaw (CVSS 7.5) affecting wp symposium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in UploadHandler.php in the WP Symposium plugin 14.11 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in server/php/.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	59.0% (top 1%)
CISA exploited list	No
Published	2015-01-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wpsymposiumpro

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

Am I affected?

Timeline

2015-01-13 11:59 UTCPublished CVE record published
2026-06-17 00:04 UTCUpdated Record last modified

wpsymposiumpro wp symposium DOWNGRADE

Affected: 14.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.11

1. Check installed version

apt-cache policy wp-symposium || rpm -q wp-symposium || wp-symposium --version

2. No fixed release: DOWNGRADE to a release before 14.11 (Debian / Ubuntu)

apt-cache madison wp-symposium sudo apt install wp-symposium=<VERSION_BEFORE_14.11> sudo apt-mark hold wp-symposium

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

dnf --showduplicates list wp-symposium sudo dnf downgrade wp-symposium-<VERSION_BEFORE_14.11> sudo dnf versionlock add wp-symposium

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: WordPress Plugin WP Symposium 14.11 - Arbitrary File Upload (Metasploit)
Exploit-DB: WordPress Plugin WP Symposium 14.11 - Arbitrary File Upload
Metasploit: WordPress WP Symposium 14.11 Shell Upload

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-2014-10021?

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

Is CVE-2014-10021 being exploited?

CVE-2014-10021 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-2014-10021 affect?

CVE-2014-10021 affects wp symposium. Severity is high (CVSS 7.5). Unrestricted file upload vulnerability in UploadHandler.php in the WP Symposium plugin 14.11 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct re

How urgent is CVE-2014-10021?

Priority 56/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2015-6522 HIGH 7.5 UPGRADE SQL injection vulnerability in the WP Symposium plugin before 15.8 for WordPress allows remote attackers to ex
CVE-2015-3325 HIGH 7.5 UPGRADE SQL injection vulnerability in forum.php in the WP Symposium plugin before 15.4 for WordPress allows remote at
CVE-2014-8810 MEDIUM 6.5 UPGRADE SQL injection vulnerability in ajax/mail_functions.php in the WP Symposium plugin before 14.11 for WordPress a
CVE-2014-8809 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in the WP Symposium plugin before 14.11 for WordPress allo
CVE-2013-2695 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in invite.php in the WP Symposium plugin before 13.04 for WordPress a

References

← Back to latest CVEs