CVE-2023-23873: WordPress BBSpoiler Plugin <= 2.01 is vulnerable to Cross Site Scripting (XSS)
Modified
Published 10-05-2023Last modified 28-04-2026
Vulnerability summary
CVE-2023-23873 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in bbspoiler_project bbspoiler. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities. Fixed in 2.02.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 10-05-2023PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Flector BBSpoiler plugin <= 2.01 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LSources3 sources · 5.4–6.5
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.36% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Bbspoiler_project1 product
- bbspoiler≤ 2.01
Flector1 product
- bbspoiler≥ n/a, ≤ 2.01
Wordpress1 product
- bbspoiler≤ 2.01 (fixed in 2.02)
3 vendors · 3 products