VulnerabilityModified
CVE-2019-13948
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.
MEDIUM 5.4EPSS 0.70%
Does this matter?
Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own.
Description
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- syguestbook a5 project/syguestbook a5
- Source
- cve@mitre.org
References
- https://fragrant10.github.io/2019/02/22/SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.htmlExploit, Third Party Advisory
- https://github.com/fragrant10/fragrant10.github.io/blob/master/_posts/2019-02-22-SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.mdExploit, Third Party Advisory
- https://fragrant10.github.io/2019/02/22/SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.htmlExploit, Third Party Advisory
- https://github.com/fragrant10/fragrant10.github.io/blob/master/_posts/2019-02-22-SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.