VulnerabilityModified
CVE-2021-3271
PressBooks 5.17.3 contains a cross-site scripting (XSS).
MEDIUM 4.8EPSS 0.93%
Does this matter?
Lower severity and a low EPSS score (0.93%). Track it; it rarely justifies an emergency change on its own.
Description
PressBooks 5.17.3 contains a cross-site scripting (XSS). Stored XSS can be submitted via the Book Info's Long Description Body, and all actions to open or preview the books page will result in the triggering the stored XSS.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- pressbooks/pressbooks
- Source
- cve@mitre.org
References
- https://github.com/pressbooks/pressbooksThird Party Advisory
- https://github.com/pressbooks/pressbooks/pull/2072Exploit, Third Party Advisory
- https://www.gosecure.net/blog/2021/02/16/cve-2021-3271-pressbooks-stored-cross-site-scripting-proof-of-concept/Exploit, Third Party Advisory
- https://github.com/pressbooks/pressbooksThird Party Advisory
- https://github.com/pressbooks/pressbooks/pull/2072Exploit, Third Party Advisory
- https://www.gosecure.net/blog/2021/02/16/cve-2021-3271-pressbooks-stored-cross-site-scripting-proof-of-concept/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.