CVE-2021-26256: ays-pro survey_maker Cross-site Scripting
CVSS: 7.2v3.1HighModified
Published 21-02-2022Last modified 28-04-2026
Vulnerability summary
CVE-2021-26256 is a high (CVSS 7.2) Cross-site Scripting vulnerability in ays-pro survey_maker. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 21-02-2022PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in Survey Maker WordPress plugin (versions <= 2.0.6).
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.2Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NSources3 sources · 4.7–7.2
- CVE.orgCNA4.7MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:NDiffers
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.83% on 19-09-2026
19-09-202619-10-2026
EPSS score0.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (patchstack.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ays-pro1 product
- survey_maker≤ 2.0.6
Survey maker team1 product
- survey maker (wordpress plugin)≥ <= 2.0.6, ≤ 2.0.6
Wordpress1 product
- survey-maker≤ 2.0.6 (fixed in 2.0.7)
3 vendors · 3 products