CVE-2021-24320 json
Bello < 1.6.0 - Unauthenticated Reflected XSS & XFS
published 2021-06-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11234
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.8%
- EPSS 10.8% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
- bold-themes bello 1.6.0
Exploit prediction
10.77% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress Bello Directory & Listing Theme <1.6.0 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/6b5b42fd-028a-4405-b027-3266058029bb referenced PoC, tagged "exploit" by a source, unverified
- m0ze.ru https://m0ze.ru/vulnerability/%5B2021-03-21%5D-%5BWordPress%5D-%5BCWE-79%5D-Bello-WordPress-Theme-v1.5.9.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- BoldThemes Bello - Directory & Listing
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/6b5b42fd-028a-4405-b027-3266058029bb
exploit, third-party-advisory
-
m0ze.ru
/vulnerability/%5B2021-03-21%5D-%5BWordPress%5D-%5BCWE-79%5D-Bello-WordPress-Theme-v1.5.9.txt
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24320
- NVD CVE-2021-24320
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.