CVE-2018-10310: A persistent cross-site scripting vulnerability has been identified in the web interface of the Catapult UK Co

Q: How do I fix CVE-2018-10310?

cookie consent: upgrade to 2.3.10. Exact commands for each OS are on this page.

Q: Is CVE-2018-10310 being exploited?

CVE-2018-10310 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-2018-10310 affect?

CVE-2018-10310 affects cookie consent. Severity is medium (CVSS 5.4). A persistent cross-site scripting vulnerability has been identified in the web interface of the Catapult UK Cookie Consent plugin before 2.3.10 for WordPress that allows the execution of arbitrary HTML/script code in the context of a victim

Q: How urgent is CVE-2018-10310?

Priority 46/100. Public exploit reference

This month

MEDIUM 5.4UPGRADE

CVE-2018-10310 is a medium-severity flaw (CVSS 5.4) affecting cookie consent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A persistent cross-site scripting vulnerability has been identified in the web interface of the Catapult UK Cookie Consent plugin before 2.3.10 for WordPress that allows the execution of arbitrary HTML/script code in the context of a victim's browser.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-04-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: catapultthemes

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

Am I affected?

Timeline

2018-04-25 09:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

catapultthemes cookie consent UPGRADE

Affected: < 2.3.10

Fixed in: 2.3.10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cookie-consent || rpm -q cookie-consent || cookie-consent --version

2. UPGRADE to 2.3.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cookie-consent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cookie-consent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: UK Cookie Consent - Persistent Cross-Site Scripting

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-2018-10310?

cookie consent: upgrade to 2.3.10. Exact commands for each OS are on this page.

Is CVE-2018-10310 being exploited?

CVE-2018-10310 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-2018-10310 affect?

CVE-2018-10310 affects cookie consent. Severity is medium (CVSS 5.4). A persistent cross-site scripting vulnerability has been identified in the web interface of the Catapult UK Cookie Consent plugin before 2.3.10 for WordPress that allows the execution of arbitrary HTML/script code in the context of a victim

How urgent is CVE-2018-10310?

Priority 46/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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