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CVE-2017-17719: A cross-site scripting (XSS) vulnerability in the wp-concours plugin through 1.1 for WordPress allows remote a

42
This month
MEDIUM 6.1UPGRADE

CVE-2017-17719 is a medium-severity flaw (CVSS 6.1) affecting wp-concours. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability in the wp-concours plugin through 1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the result_message parameter to includes/concours_page.php.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.9% (top 39%)
CISA exploited listNo
WeaknessCWE-79
Published2017-12-19
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: olyos

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

Am I affected?

Timeline

olyos wp-concours UPGRADE
Affected: <= 1.1
Fixed in: newer than 1.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy wp-concours || rpm -q wp-concours || wp-concours --version
2. UPGRADE to newer than 1.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade wp-concours
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade wp-concours
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2017-17719?

wp-concours: upgrade to newer than 1.1. Exact commands for each OS are on this page.

Is CVE-2017-17719 being exploited?

CVE-2017-17719 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-2017-17719 affect?

CVE-2017-17719 affects wp-concours. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability in the wp-concours plugin through 1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the result_message parameter to includes/concours_page.php.

How urgent is CVE-2017-17719?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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