CVEvulnerability
CVE-2021-3271
4.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-02-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• pressbooks pressbooks (<= 5.17.3)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/pressbooks/pressbooks Third Party Advisory
- https://github.com/pressbooks/pressbooks/pull/2072 Exploit, 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/pressbooks Third Party Advisory
- https://github.com/pressbooks/pressbooks/pull/2072 Exploit, 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