CVE-2023-5307 Photos and Files Contest Gallery – Contact Form < 21.2.8.1 - Unauthenticated Stored XSS via HTTP Headers

What is CVE-2023-5307?

CVE-2023-5307 is a medium-severity cross-site scripting vulnerability in Unknown Photos and Files Contest Gallery, published on 31 Oct 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Photos and Files Contest Gallery WordPress plugin before 21.2.8.1 does not sanitise and escape some parameters, which could allow unauthenticated users to perform Cross-Site Scripting attacks via certain headers.

Weakness: CWE-79

Which versions are affected by CVE-2023-5307?

It affects 1 product.

Products include Contest-Gallery Contest Gallery.

How do I fix CVE-2023-5307?

No fix has been published for CVE-2023-5307 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-5307 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5307 exists.

Other vulnerabilities in Unknown Photos and Files Contest Gallery

• CVE-2024-11103 Contest Gallery <= 24.0.7 - Unauthenticated Arbitrary Password Reset to Privilege Escalation/Account Takeover Critical 9.8
• CVE-2024-10687 SQL injection in Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe Critical 9.8
• CVE-2019-5974 Cross-site request forgery in Contest Gallery High 8.8
• CVE-2024-32778 WordPress Contest Gallery plugin <= 21.3.4 - Arbitrary File Deletion vulnerability High 8.5
• CVE-2024-30236 WordPress Contest Gallery plugin <= 21.3.4 - SQL Injection vulnerability High 8.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hmf3-8cx7-g4jw.