CVE-2023-27293
Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malicious Javascript as the answer to a questionnaire which would then be executed when an authenticated user reviews the candidate's submission.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 57.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malicious Javascript as the answer to a questionnaire which would then be executed when an authenticated user reviews the candidate's submission. This could be used to steal other users’ cookies and force users to make actions without their knowledge.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 57.04% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- opencats/opencats
- Source
- vulnreport@tenable.com
EPSS 57.0% since 8 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.tenable.com/security/research/tra-2023-8Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2023-8Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.