CVE-2021-36869: ivory search ivory search (wordpress plugin) Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 21-10-2021Last modified 28-04-2026
Vulnerability summary
CVE-2021-36869 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in ivory search ivory search (wordpress plugin). EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities. Fixed in 4.7.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-10-2021PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Reflected Cross-Site Scripting (XSS) vulnerability in WordPress Ivory Search plugin (versions <= 4.6.6). Vulnerable parameter: &post.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSources3 sources · 4.8–6.1
- CVE.orgCNA4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 20-09-2026
20-09-202620-10-2026
EPSS score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ivory search1 product
- ivory search (wordpress plugin)≥ <= 4.6.6, ≤ 4.6.6
Ivorysearch1 product
- ivory_search≤ 4.6.6
Wordpress1 product
- add-search-to-menu≤ 4.6.6 (fixed in 4.7)
3 vendors · 3 products