CVE-2021-24320 Bello < 1.6.0 - Unauthenticated Reflected XSS & XFS
Unauthenticated attackers can inject malicious scripts via unsanitized parameters in the Bello WordPress theme, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24320?
CVE-2021-24320 is a medium-severity cross-site scripting vulnerability in BoldThemes Bello - Directory & Listing, published on 1 Jun 2021. 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 Bello - Directory & Listing WordPress theme before 1.6.0 did not properly sanitise and escape its listing_list_view, bt_bb_listing_field_my_lat, bt_bb_listing_field_my_lng, bt_bb_listing_field_distance_value, bt_bb_listing_field_my_lat_default, bt_bb_listing_field_keyword, bt_bb_listing_field_location_autocomplete, bt_bb_listing_field_price_range_from and bt_bb_listing_field_price_range_to parameter in ints listing page, leading to reflected Cross-Site Scripting issues.
Weakness: CWE-79
Which versions are affected by CVE-2021-24320?
It affects 1 product.
Products include Bold-Themes Bello.
How do I fix CVE-2021-24320?
No fix has been published for CVE-2021-24320 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-2021-24320 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24320 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in BoldThemes Bello - Directory & Listing
Sources
Also known as GHSA-9x8w-jj9g-vgv3.