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CVE-2016-4833: Cross-site scripting (XSS) vulnerability in the Nofollow Links plugin before 1.0.11 for WordPress allows remot

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MEDIUM 6.1UPGRADE

CVE-2016-4833 is a medium-severity flaw (CVSS 6.1) affecting nofollow links. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the Nofollow Links plugin before 1.0.11 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.8% (top 21%)
CISA exploited listNo
WeaknessCWE-79
Published2016-08-03
Last modified2026-06-17
Publisher (CNA): JPCERT/CC · Vendor: nofollow links project

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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

nofollow links project nofollow links UPGRADE
Affected: <= 1.0.10
Fixed in: newer than 1.0.10
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy nofollow-links || rpm -q nofollow-links || nofollow-links --version
2. UPGRADE to newer than 1.0.10 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade nofollow-links
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade nofollow-links
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-2016-4833?

nofollow links: upgrade to newer than 1.0.10. Exact commands for each OS are on this page.

Is CVE-2016-4833 being exploited?

CVE-2016-4833 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-2016-4833 affect?

CVE-2016-4833 affects nofollow links. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in the Nofollow Links plugin before 1.0.11 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2016-4833?

Priority 41/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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