CVE-2018-6469: A cross-site scripting (XSS) vulnerability in flickrRSS.php in the flickrRSS plugin 5.3.1 for WordPress allows

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MEDIUM 6.1DOWNGRADE

CVE-2018-6469 is a medium-severity flaw (CVSS 6.1) affecting flickrrss. 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 flickrRSS.php in the flickrRSS plugin 5.3.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the flickrRSS_tags parameter to wp-admin/options-general.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-02-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: flickrrss project

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

Am I affected?

Timeline

2018-02-06 14:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

flickrrss project flickrrss DOWNGRADE

Affected: 5.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.3.1

1. Check installed version

apt-cache policy flickrrss || rpm -q flickrrss || flickrrss --version

2. No fixed release: DOWNGRADE to a release before 5.3.1 (Debian / Ubuntu)

apt-cache madison flickrrss sudo apt install flickrrss=<VERSION_BEFORE_5.3.1> sudo apt-mark hold flickrrss

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

dnf --showduplicates list flickrrss sudo dnf downgrade flickrrss-<VERSION_BEFORE_5.3.1> sudo dnf versionlock add flickrrss

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.

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-2018-6469?

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

Is CVE-2018-6469 being exploited?

CVE-2018-6469 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-2018-6469 affect?

CVE-2018-6469 affects flickrrss. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability in flickrRSS.php in the flickrRSS plugin 5.3.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the flickrRSS_tags parameter to wp-admin/options-general.php.

How urgent is CVE-2018-6469?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2018-6468 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in flickrRSS.php in the flickrRSS plugin 5.3.1 for WordPress allows
CVE-2018-6467 HIGH 8.8 DOWNGRADE The flickrRSS plugin 5.3.1 for WordPress has CSRF via wp-admin/options-general.php.
CVE-2018-6466 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in flickrRSS.php in the flickrRSS plugin 5.3.1 for WordPress allows

References

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