CVE-2020-11509: An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows remote attackers to upload

Q: How do I fix CVE-2020-11509?

wp lead plus x: upgrade to newer than 0.98. Exact commands for each OS are on this page.

Q: Is CVE-2020-11509 being exploited?

CVE-2020-11509 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-11509 affect?

CVE-2020-11509 affects wp lead plus x. Severity is medium (CVSS 6.1). An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows remote attackers to upload page templates containing arbitrary JavaScript via the c37_wpl_import_template admin-post action (which will execute in an admini

Q: How urgent is CVE-2020-11509?

Priority 46/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2020-11509 is a medium-severity flaw (CVSS 6.1) affecting wp lead plus x. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows remote attackers to upload page templates containing arbitrary JavaScript via the c37_wpl_import_template admin-post action (which will execute in an administrator's browser if the template is used to create a page).

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-04-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wpleadplus

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

Am I affected?

Timeline

2020-04-07 19:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

wpleadplus wp lead plus x UPGRADE

Affected: <= 0.98

Fixed in: newer than 0.98

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-lead-plus-x || rpm -q wp-lead-plus-x || wp-lead-plus-x --version

2. UPGRADE to newer than 0.98 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-lead-plus-x

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-lead-plus-x

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-2020-11509?

wp lead plus x: upgrade to newer than 0.98. Exact commands for each OS are on this page.

Is CVE-2020-11509 being exploited?

CVE-2020-11509 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-2020-11509 affect?

CVE-2020-11509 affects wp lead plus x. Severity is medium (CVSS 6.1). An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows remote attackers to upload page templates containing arbitrary JavaScript via the c37_wpl_import_template admin-post action (which will execute in an admini

How urgent is CVE-2020-11509?

Priority 46/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2020-11508 MEDIUM 5.4 UPGRADE An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows logged-in users with minim

References

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