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Fencer Vulns
medium 5.1

CVE-2019-25297 json

Poll, Survey & Quiz Maker Plugin by Opinion Stage < 19.6.25 Stored XSS

published 2026-01-16 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-2877

cvss
5.1
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

Poll, Survey & Quiz Maker Plugin by Opinion Stage Wordpress plugin versions prior to 19.6.25 contain a stored cross-site scripting (XSS) vulnerability via multiple parameters due to insufficient input validation and output escaping. An unauthenticated attacker can inject arbitrary script into content that executes when a victim views an affected page.

Patch / fix

  • Assaf Parag Poll, Survey & Quiz Maker Plugin by Opinion Stage 19.6.25

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/4ed1edd6-3813-44a3-bee7-f07c1774b679/ referenced PoC, tagged "exploit" by a source, unverified
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/social-polls-by-opinionstage/poll-survey-quiz-maker-plugin-by-opinion-stage-19625-unauthenticated-stored-cross-site-scripting referenced PoC, tagged "exploit" by a source, unverified
  • web.archive.org https://web.archive.org/web/20191020011448/https://www.pluginvulnerabilities.com/2019/09/16/hackers-may-already-be-targeting-this-persistent-xss-vulnerability-in-poll-survey-form-quiz-maker-by-opinionstage/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CNA 4.0 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Assaf Parag Poll, Survey & Quiz Maker Plugin by Opinion Stage

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

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.