CVE-2024-0688

low-risk
Published 2024-01-25

The "WebSub (FKA. PubSubHubbub)" plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin settings in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Do I need to act?

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0.12% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Websub

Affected Vendors

Pubsubhubbub

References (4)

Patch https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
Third Party Advisory https://www.wordfence.com/threat-intel/vulnerabilities/id/f07b166b-3436-4797-a2d...
Patch https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
Third Party Advisory https://www.wordfence.com/threat-intel/vulnerabilities/id/f07b166b-3436-4797-a2d...
20
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal